Season 1 of Lecture Room premiered on July 9, 2001.

Season 2 of Lecture Room premiered on July 11, 2001.

Season 3 of Lecture Room premiered on July 12, 2001.

Season 4 of Lecture Room premiered on July 19, 2001.

Season 5 of Lecture Room premiered on May 12, 2003.

Season 6 of Lecture Room premiered on July 20, 2001.

Season 7 of Lecture Room premiered on September 17, 2001.

Season 8 of Lecture Room premiered on July 26, 2001.

Season 9 of Lecture Room premiered on March 8, 2004.

Season 10 of Lecture Room premiered on July 30, 2001.

Season 11 of Lecture Room premiered on August 1, 2001.

Season 12 of Lecture Room premiered on October 12, 2001.

Season 13 of Lecture Room premiered on April 24, 2002.

Season 14 of Lecture Room premiered on August 21, 2001.

Season 15 of Lecture Room premiered on May 28, 2002.

Season 16 of Lecture Room premiered on July 8, 2002.

Season 17 of Lecture Room premiered on November 27, 2002.

Season 18 of Lecture Room premiered on October 2, 2001.

Season 19 of Lecture Room premiered on October 15, 2001.

Season 20 of Lecture Room premiered on November 2, 2001.

Season 21 of Lecture Room premiered on September 24, 2001.

Season 22 of Lecture Room premiered on December 3, 2001.

Season 23 of Lecture Room premiered on December 6, 2001.

Season 24 of Lecture Room premiered on November 12, 2003.

Season 25 of Lecture Room premiered on September 11, 2003.

Season 26 of Lecture Room premiered on May 14, 2003.

Season 27 of Lecture Room premiered on March 27, 2003.

Season 28 of Lecture Room premiered on April 2, 2004.

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Season 30 of Lecture Room premiered on May 27, 2004.

Season 31 of Lecture Room premiered on June 8, 2004.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

Season 34 of Lecture Room premiered on September 7, 2004.

Season 35 of Lecture Room premiered on September 16, 2004.

Season 36 of Lecture Room premiered on September 21, 2004.

Season 37 of Lecture Room premiered on September 29, 2004.

Season 38 of Lecture Room premiered on October 14, 2004.

Season 39 of Lecture Room premiered on October 20, 2004.

Season 40 of Lecture Room premiered on October 26, 2004.

Season 41 of Lecture Room premiered on November 2, 2004.

Season 42 of Lecture Room premiered on November 9, 2004.

Season 43 of Lecture Room premiered on November 23, 2004.

Season 44 of Lecture Room premiered on November 30, 2004.

Season 45 of Lecture Room premiered on December 21, 2004.

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Season 47 of Lecture Room premiered on January 4, 2005.

Season 48 of Lecture Room premiered on January 11, 2005.

Season 49 of Lecture Room premiered on January 20, 2005.

Season 50 of Lecture Room premiered on November 16, 2004.

We don't have an overview translated in English. Help us expand our database by adding one.

Season 52 of Lecture Room premiered on March 8, 2005.

Season 53 of Lecture Room premiered on March 29, 2005.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

Season 56 of Lecture Room premiered on April 19, 2005.

Season 57 of Lecture Room premiered on June 23, 2004.

Season 58 of Lecture Room premiered on May 24, 2005.

Season 59 of Lecture Room premiered on May 31, 2005.

Season 60 of Lecture Room premiered on September 13, 2005.

Season 61 of Lecture Room premiered on November 1, 2005.

Season 62 of Lecture Room premiered on November 8, 2005.

Season 63 of Lecture Room premiered on November 16, 2005.

Season 64 of Lecture Room premiered on November 22, 2005.

Season 65 of Lecture Room premiered on December 20, 2005.

Season 66 of Lecture Room premiered on December 26, 2005.

Season 67 of Lecture Room premiered on January 2, 2006.

Season 68 of Lecture Room premiered on January 9, 2006.

Season 69 of Lecture Room premiered on July 13, 2005.

Season 70 of Lecture Room premiered on January 25, 2006.

Season 71 of Lecture Room premiered on January 28, 2006.

Season 72 of Lecture Room premiered on March 27, 2006.

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Season 74 of Lecture Room premiered on June 5, 2006.

Season 75 of Lecture Room premiered on June 12, 2006.

Season 76 of Lecture Room premiered on June 29, 2006.

Season 77 of Lecture Room premiered on February 12, 2006.

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Season 79 of Lecture Room premiered on September 17, 2006.

Season 80 of Lecture Room premiered on October 1, 2006.

Season 81 of Lecture Room premiered on October 30, 2006.

Season 82 of Lecture Room premiered on November 6, 2006.

Season 83 of Lecture Room premiered on December 11, 2006.

Season 84 of Lecture Room premiered on January 6, 2007.

Season 85 of Lecture Room premiered on February 18, 2007.

Season 86 of Lecture Room premiered on March 8, 2007.

Season 87 of Lecture Room premiered on March 19, 2007.

Season 88 of Lecture Room premiered on May 1, 2007.

Season 89 of Lecture Room premiered on May 5, 2007.

Season 90 of Lecture Room premiered on May 7, 2007.

Season 91 of Lecture Room premiered on May 19, 2007.

Season 92 of Lecture Room premiered on June 27, 2007.

Season 93 of Lecture Room premiered on July 1, 2007.

Season 94 of Lecture Room premiered on August 28, 2007.

Season 95 of Lecture Room premiered on October 1, 2007.

Season 96 of Lecture Room premiered on October 26, 2007.

Season 97 of Lecture Room premiered on November 7, 2007.

Season 98 of Lecture Room premiered on November 19, 2007.

Season 99 of Lecture Room premiered on January 1, 2008.

Season 100 of Lecture Room premiered on January 14, 2008.

Season 101 of Lecture Room premiered on January 21, 2008.

Season 102 of Lecture Room premiered on February 4, 2008.

Season 103 of Lecture Room premiered on March 2, 2008.

Season 104 of Lecture Room premiered on March 17, 2008.

Season 105 of Lecture Room premiered on March 31, 2008.

Season 106 of Lecture Room premiered on April 14, 2008.

Season 107 of Lecture Room premiered on May 1, 2008.

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Season 109 of Lecture Room premiered on June 2, 2008.

Season 110 of Lecture Room premiered on June 16, 2008.

Season 111 of Lecture Room premiered on February 1, 2007.

Season 112 of Lecture Room premiered on June 30, 2008.

Season 113 of Lecture Room premiered on July 18, 2008.

Season 114 of Lecture Room premiered on August 4, 2008.

Season 115 of Lecture Room premiered on September 4, 2008.

Season 116 of Lecture Room premiered on October 1, 2008.

Season 117 of Lecture Room premiered on October 11, 2008.

Season 118 of Lecture Room premiered on October 13, 2008.

Season 119 of Lecture Room premiered on November 5, 2008.

Season 120 of Lecture Room premiered on December 1, 2008.

Season 121 of Lecture Room premiered on December 10, 2008.

Season 122 of Lecture Room premiered on July 13, 2009.

Season 123 of Lecture Room premiered on September 1, 2011.

Season 124 of Lecture Room premiered on June 7, 2008.

Season 125 of Lecture Room premiered on January 27, 2009.

Season 126 of Lecture Room premiered on March 9, 2009.

Season 127 of Lecture Room premiered on May 4, 2009.

Season 128 of Lecture Room premiered on May 11, 2009.

Season 129 of Lecture Room premiered on June 2, 2009.

Season 130 of Lecture Room premiered on June 11, 2009.

Season 131 of Lecture Room premiered on August 12, 2009.

Season 132 of Lecture Room premiered on October 1, 2009.

Season 133 of Lecture Room premiered on October 7, 2009.

Season 134 of Lecture Room premiered on October 12, 2009.

Season 135 of Lecture Room premiered on November 6, 2009.

Season 136 of Lecture Room premiered on November 24, 2009.

Season 137 of Lecture Room premiered on December 4, 2009.

Season 138 of Lecture Room premiered on December 7, 2009.

Season 139 of Lecture Room premiered on January 17, 2010.

Season 140 of Lecture Room premiered on February 6, 2010.

Season 141 of Lecture Room premiered on February 14, 2010.

Season 142 of Lecture Room premiered on March 4, 2010.

Season 143 of Lecture Room premiered on March 11, 2010.

Season 144 of Lecture Room premiered on March 28, 2010.

Season 145 of Lecture Room premiered on May 10, 2010.

Season 146 of Lecture Room premiered on June 10, 2010.

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Season 148 of Lecture Room premiered on June 19, 2010.

Season 149 of Lecture Room premiered on July 8, 2010.

Season 150 of Lecture Room premiered on July 30, 2010.

Season 151 of Lecture Room premiered on August 13, 2010.

Season 152 of Lecture Room premiered on August 21, 2010.

Season 153 of Lecture Room premiered on August 30, 2010.

Season 154 of Lecture Room premiered on October 10, 2010.

Season 155 of Lecture Room premiered on October 23, 2010.

Season 156 of Lecture Room premiered on November 13, 2010.

Season 157 of Lecture Room premiered on December 4, 2010.

Season 158 of Lecture Room premiered on December 10, 2010.

Season 159 of Lecture Room premiered on December 24, 2010.

Season 160 of Lecture Room premiered on January 4, 2011.

Season 161 of Lecture Room premiered on January 14, 2011.

Season 162 of Lecture Room premiered on January 22, 2011.

Season 163 of Lecture Room premiered on January 27, 2011.

Season 164 of Lecture Room premiered on February 1, 2011.

Season 165 of Lecture Room premiered on February 24, 2011.

Season 166 of Lecture Room premiered on April 10, 2011.

Season 167 of Lecture Room premiered on April 20, 2011.

Season 168 of Lecture Room premiered on May 4, 2011.

Season 169 of Lecture Room premiered on May 14, 2011.

Season 170 of Lecture Room premiered on June 14, 2011.

Season 171 of Lecture Room premiered on July 2, 2011.

Season 172 of Lecture Room premiered on July 8, 2011.

Season 173 of Lecture Room premiered on July 25, 2011.

Season 174 of Lecture Room premiered on August 1, 2011.

Season 175 of Lecture Room premiered on August 11, 2011.

Season 176 of Lecture Room premiered on October 1, 2011.

Season 177 of Lecture Room premiered on October 8, 2011.

Season 178 of Lecture Room premiered on October 29, 2011.

Season 179 of Lecture Room premiered on January 1, 2012.

Season 180 of Lecture Room premiered on January 14, 2012.

Season 181 of Lecture Room premiered on January 27, 2012.

Season 182 of Lecture Room premiered on February 5, 2012.

Season 183 of Lecture Room premiered on February 24, 2012.

Season 184 of Lecture Room premiered on March 15, 2012.

Season 185 of Lecture Room premiered on March 30, 2012.

Season 186 of Lecture Room premiered on April 28, 2012.

Season 187 of Lecture Room premiered on May 6, 2012.

Season 188 of Lecture Room premiered on May 14, 2012.

Season 189 of Lecture Room premiered on May 29, 2012.

Season 190 of Lecture Room premiered on June 12, 2012.

Season 191 of Lecture Room premiered on July 11, 2012.

Season 192 of Lecture Room premiered on July 31, 2012.

Season 193 of Lecture Room premiered on August 24, 2012.

Season 194 of Lecture Room premiered on January 24, 2010.

Season 195 of Lecture Room premiered on January 30, 2010.

Season 196 of Lecture Room premiered on September 14, 2010.

Season 197 of Lecture Room premiered on September 28, 2010.

Season 198 of Lecture Room premiered on September 9, 2011.

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Season 200 of Lecture Room premiered on November 16, 2012.

Season 201 of Lecture Room premiered on November 27, 2012.

Season 202 of Lecture Room premiered on December 3, 2012.

Season 203 of Lecture Room premiered on December 17, 2012.

Season 204 of Lecture Room premiered on December 19, 2012.

Season 205 of Lecture Room premiered on January 3, 2013.

Season 206 of Lecture Room premiered on January 27, 2013.

Season 207 of Lecture Room premiered on February 20, 2013.

Season 208 of Lecture Room premiered on March 7, 2013.

Season 209 of Lecture Room premiered on March 28, 2013.

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Season 211 of Lecture Room premiered on May 29, 2013.

Season 212 of Lecture Room premiered on June 9, 2013.

Season 213 of Lecture Room premiered on June 16, 2013.

Season 214 of Lecture Room premiered on July 2, 2013.

Season 215 of Lecture Room premiered on July 20, 2013.

Season 216 of Lecture Room premiered on August 2, 2013.

Season 217 of Lecture Room premiered on August 25, 2013.

Season 218 of Lecture Room premiered on September 1, 2013.

Season 219 of Lecture Room premiered on October 3, 2013.

Season 220 of Lecture Room premiered on October 6, 2013.

Season 221 of Lecture Room premiered on October 16, 2013.

Season 222 of Lecture Room premiered on November 5, 2013.

Season 223 of Lecture Room premiered on November 25, 2013.

Season 224 of Lecture Room premiered on November 27, 2013.

Season 225 of Lecture Room premiered on December 12, 2013.

Season 226 of Lecture Room premiered on December 20, 2013.

Season 227 of Lecture Room premiered on December 26, 2013.

Season 228 of Lecture Room premiered on January 3, 2014.

Season 229 of Lecture Room premiered on January 9, 2014.

Season 230 of Lecture Room premiered on January 19, 2014.

Season 231 of Lecture Room premiered on January 24, 2014.

Season 232 of Lecture Room premiered on February 17, 2014.

Season 233 of Lecture Room premiered on April 6, 2014.

Season 234 of Lecture Room premiered on March 17, 2014.

Season 235 of Lecture Room premiered on April 1, 2014.

Season 236 of Lecture Room premiered on April 17, 2014.

Season 237 of Lecture Room premiered on May 11, 2014.

Season 238 of Lecture Room premiered on May 16, 2014.

Season 239 of Lecture Room premiered on June 1, 2014.

Season 240 of Lecture Room premiered on June 13, 2014.

Season 241 of Lecture Room premiered on June 20, 2014.

Season 242 of Lecture Room premiered on July 4, 2014.

Season 243 of Lecture Room premiered on July 16, 2014.

Season 244 of Lecture Room premiered on July 28, 2014.

Season 245 of Lecture Room premiered on August 9, 2014.

Season 246 of Lecture Room premiered on August 30, 2014.

Season 247 of Lecture Room premiered on September 17, 2014.

Season 248 of Lecture Room premiered on September 25, 2014.

Season 249 of Lecture Room premiered on October 1, 2014.

Season 250 of Lecture Room premiered on October 4, 2014.

Season 251 of Lecture Room premiered on October 14, 2014.

Season 252 of Lecture Room premiered on October 22, 2014.

Season 253 of Lecture Room premiered on November 3, 2014.

Season 254 of Lecture Room premiered on November 22, 2014.

Season 255 of Lecture Room premiered on November 28, 2014.

Season 256 of Lecture Room premiered on December 18, 2014.

Season 257 of Lecture Room premiered on December 30, 2014.

Season 258 of Lecture Room premiered on January 14, 2015.

Season 259 of Lecture Room premiered on January 18, 2015.

Season 260 of Lecture Room premiered on January 25, 2015.

Season 261 of Lecture Room premiered on February 12, 2015.

Season 262 of Lecture Room premiered on March 4, 2015.

Season 263 of Lecture Room premiered on March 15, 2015.

Season 264 of Lecture Room premiered on March 25, 2015.

Season 265 of Lecture Room premiered on April 8, 2015.

Season 266 of Lecture Room premiered on April 20, 2015.

Season 267 of Lecture Room premiered on April 30, 2015.

Season 268 of Lecture Room premiered on May 12, 2015.

Season 269 of Lecture Room premiered on May 26, 2015.

Season 270 of Lecture Room premiered on June 3, 2015.

Season 271 of Lecture Room premiered on June 6, 2015.

Season 272 of Lecture Room premiered on June 10, 2015.

Season 273 of Lecture Room premiered on June 13, 2015.

Season 274 of Lecture Room premiered on July 1, 2015.

Season 275 of Lecture Room premiered on July 11, 2015.

Season 276 of Lecture Room premiered on August 4, 2015.

Season 277 of Lecture Room premiered on August 18, 2015.

Season 278 of Lecture Room premiered on September 6, 2015.

Season 279 of Lecture Room premiered on October 10, 2015.

Season 280 of Lecture Room premiered on October 22, 2015.

Season 281 of Lecture Room premiered on November 9, 2015.

Season 282 of Lecture Room premiered on November 17, 2015.

Season 283 of Lecture Room premiered on November 23, 2015.

Season 284 of Lecture Room premiered on December 3, 2015.

Season 285 of Lecture Room premiered on December 19, 2015.

Season 286 of Lecture Room premiered on December 29, 2015.

Season 287 of Lecture Room premiered on February 8, 2016.

Season 288 of Lecture Room premiered on February 16, 2016.

Season 289 of Lecture Room premiered on March 4, 2016.

Season 290 of Lecture Room premiered on March 14, 2016.

Season 291 of Lecture Room premiered on April 3, 2016.

Season 292 of Lecture Room premiered on April 8, 2016.

Season 293 of Lecture Room premiered on April 25, 2016.

Season 294 of Lecture Room premiered on April 29, 2016.

Season 295 of Lecture Room premiered on May 16, 2016.

Season 296 of Lecture Room premiered on June 5, 2016.

Season 297 of Lecture Room premiered on June 7, 2016.

Season 298 of Lecture Room premiered on June 11, 2016.

Season 299 of Lecture Room premiered on June 21, 2016.

Season 300 of Lecture Room premiered on July 5, 2016.

Season 301 of Lecture Room premiered on July 25, 2016.

Season 302 of Lecture Room premiered on August 4, 2016.

Season 303 of Lecture Room premiered on August 18, 2016.

Season 304 of Lecture Room premiered on September 1, 2016.

Season 305 of Lecture Room premiered on September 15, 2016.

Season 306 of Lecture Room premiered on September 25, 2016.

Season 307 of Lecture Room premiered on October 1, 2016.

Season 308 of Lecture Room premiered on October 26, 2016.

Season 309 of Lecture Room premiered on November 15, 2016.

Season 310 of Lecture Room premiered on November 25, 2016.

Season 311 of Lecture Room premiered on December 17, 2016.

Season 312 of Lecture Room premiered on December 22, 2016.

Season 313 of Lecture Room premiered on January 10, 2017.

Season 314 of Lecture Room premiered on January 19, 2017.

Season 315 of Lecture Room premiered on February 4, 2017.

Season 316 of Lecture Room premiered on February 20, 2017.

Season 317 of Lecture Room premiered on March 7, 2017.

Season 318 of Lecture Room premiered on March 26, 2017.

Season 319 of Lecture Room premiered on April 1, 2017.

Season 320 of Lecture Room premiered on April 9, 2017.

Season 321 of Lecture Room premiered on May 5, 2017.

Season 322 of Lecture Room premiered on May 22, 2017.

Season 323 of Lecture Room premiered on June 1, 2017.

Season 324 of Lecture Room premiered on June 20, 2017.

Season 325 of Lecture Room premiered on July 3, 2017.

Season 326 of Lecture Room premiered on July 23, 2017.

Season 327 of Lecture Room premiered on August 19, 2017.

Season 328 of Lecture Room premiered on August 27, 2017.

Season 329 of Lecture Room premiered on September 10, 2017.

Season 330 of Lecture Room premiered on September 21, 2017.

Season 331 of Lecture Room premiered on October 8, 2017.

Season 332 of Lecture Room premiered on October 29, 2017.

Season 333 of Lecture Room premiered on November 15, 2017.

Season 334 of Lecture Room premiered on November 29, 2017.

Season 335 of Lecture Room premiered on December 11, 2017.

Season 336 of Lecture Room premiered on December 21, 2017.

Season 337 of Lecture Room premiered on January 12, 2018.

Season 338 of Lecture Room premiered on February 9, 2018.

Season 339 of Lecture Room premiered on February 27, 2018.

Season 340 of Lecture Room premiered on March 14, 2018.

Season 341 of Lecture Room premiered on March 29, 2018.

Season 342 of Lecture Room premiered on April 5, 2018.

Season 343 of Lecture Room premiered on April 29, 2018.

Season 344 of Lecture Room premiered on May 14, 2018.

Season 345 of Lecture Room premiered on May 17, 2018.

Season 346 of Lecture Room premiered on May 22, 2018.

Season 347 of Lecture Room premiered on June 3, 2018.

Season 348 of Lecture Room premiered on September 21, 2018.

Season 349 of Lecture Room premiered on October 23, 2018.

Season 350 of Lecture Room premiered on November 2, 2018.

Season 351 of Lecture Room premiered on November 14, 2018.

Season 352 of Lecture Room premiered on November 30, 2018.

Season 353 of Lecture Room premiered on January 1, 2019.

Season 354 of Lecture Room premiered on January 21, 2019.

Season 355 of Lecture Room premiered on February 20, 2019.

Season 356 of Lecture Room premiered on March 4, 2019.

Season 357 of Lecture Room premiered on March 14, 2019.

Season 358 of Lecture Room premiered on April 1, 2019.

Season 359 of Lecture Room premiered on April 17, 2019.

Season 360 of Lecture Room premiered on May 2, 2019.

Season 361 of Lecture Room premiered on May 20, 2019.

Season 362 of Lecture Room premiered on June 12, 2019.

Season 363 of Lecture Room premiered on July 10, 2019.

Season 364 of Lecture Room premiered on July 26, 2019.

Season 365 of Lecture Room premiered on August 7, 2019.

Season 366 of Lecture Room premiered on August 14, 2019.

Season 367 of Lecture Room premiered on August 21, 2019.

Season 368 of Lecture Room premiered on September 8, 2019.

Season 369 of Lecture Room premiered on September 16, 2019.

Season 370 of Lecture Room premiered on October 1, 2019.

Season 371 of Lecture Room premiered on November 6, 2019.

Season 372 of Lecture Room premiered on November 20, 2019.

Season 373 of Lecture Room premiered on December 5, 2019.

Season 374 of Lecture Room premiered on December 20, 2019.

Season 375 of Lecture Room premiered on February 4, 2019.

Season 376 of Lecture Room premiered on October 14, 2019.

Season 377 of Lecture Room premiered on December 30, 2019.

Season 378 of Lecture Room premiered on January 15, 2020.

Season 379 of Lecture Room premiered on January 24, 2020.

Season 380 of Lecture Room premiered on February 3, 2020.

Season 381 of Lecture Room premiered on July 3, 2021.

Season 382 of Lecture Room premiered on March 8, 2020.

Season 383 of Lecture Room premiered on March 20, 2020.

Season 384 of Lecture Room premiered on April 9, 2020.

Season 385 of Lecture Room premiered on April 26, 2020.

Season 386 of Lecture Room premiered on May 21, 2020.

Season 387 of Lecture Room premiered on July 3, 2020.

Season 388 of Lecture Room premiered on July 23, 2020.

Season 389 of Lecture Room premiered on August 28, 2020.

Season 390 of Lecture Room premiered on September 4, 2020.

Season 391 of Lecture Room premiered on September 24, 2020.

Season 392 of Lecture Room premiered on September 30, 2020.

Season 393 of Lecture Room premiered on October 25, 2020.

Season 394 of Lecture Room premiered on October 31, 2020.

Season 395 of Lecture Room premiered on November 3, 2020.

Season 396 of Lecture Room premiered on November 13, 2020.

Season 397 of Lecture Room premiered on December 3, 2020.

Season 398 of Lecture Room premiered on December 31, 2020.

Season 399 of Lecture Room premiered on January 5, 2021.

Season 400 of Lecture Room premiered on January 23, 2021.

Season 401 of Lecture Room premiered on January 31, 2021.

Season 402 of Lecture Room premiered on February 11, 2021.

Season 403 of Lecture Room premiered on March 15, 2021.

Season 404 of Lecture Room premiered on April 7, 2021.

Season 405 of Lecture Room premiered on April 10, 2021.

Season 406 of Lecture Room premiered on April 22, 2021.

Season 407 of Lecture Room premiered on May 9, 2021.

Season 408 of Lecture Room premiered on May 29, 2021.

Season 409 of Lecture Room premiered on June 20, 2021.

Season 410 of Lecture Room premiered on July 11, 2021.

Season 411 of Lecture Room premiered on July 16, 2021.

Season 412 of Lecture Room premiered on July 28, 2021.

Season 413 of Lecture Room premiered on August 5, 2021.

Season 414 of Lecture Room premiered on September 6, 2021.

Season 415 of Lecture Room premiered on September 11, 2021.

Season 416 of Lecture Room premiered on October 1, 2021.

Season 417 of Lecture Room premiered on September 25, 2021.

Season 418 of Lecture Room premiered on October 17, 2021.

Season 419 of Lecture Room premiered on November 2, 2021.

Season 420 of Lecture Room premiered on November 12, 2021.

Season 421 of Lecture Room premiered on November 30, 2021.

Season 422 of Lecture Room premiered on December 12, 2021.

Season 423 of Lecture Room premiered on December 31, 2021.

Season 424 of Lecture Room premiered on January 17, 2022.

Season 425 of Lecture Room premiered on January 31, 2022.

Season 426 of Lecture Room premiered on February 3, 2022.

Season 427 of Lecture Room premiered on February 15, 2022.

Season 428 of Lecture Room premiered on March 2, 2022.

Season 429 of Lecture Room premiered on April 1, 2022.

Season 430 of Lecture Room premiered on April 8, 2022.

Season 431 of Lecture Room premiered on April 16, 2022.

Season 432 of Lecture Room premiered on April 18, 2022.

Season 433 of Lecture Room premiered on May 12, 2022.

Season 434 of Lecture Room premiered on June 20, 2022.

Season 435 of Lecture Room premiered on July 14, 2022.

Season 436 of Lecture Room premiered on July 16, 2022.

Season 437 of Lecture Room premiered on August 13, 2022.

Season 438 of Lecture Room premiered on August 20, 2022.

Season 439 of Lecture Room premiered on September 1, 2022.

Season 440 of Lecture Room premiered on September 25, 2022.

Season 441 of Lecture Room premiered on October 15, 2022.

Season 442 of Lecture Room premiered on November 14, 2022.

Season 443 of Lecture Room premiered on December 9, 2022.

Season 444 of Lecture Room premiered on December 19, 2022.

Season 445 of Lecture Room premiered on December 27, 2022.

Season 446 of Lecture Room premiered on January 16, 2023.

Season 447 of Lecture Room premiered on February 8, 2023.

Season 448 of Lecture Room premiered on February 24, 2023.

Season 449 of Lecture Room premiered on March 12, 2023.

Season 450 of Lecture Room premiered on March 25, 2023.

Season 451 of Lecture Room premiered on April 8, 2023.

Season 452 of Lecture Room premiered on April 16, 2023.

Season 453 of Lecture Room premiered on April 24, 2023.

Season 454 of Lecture Room premiered on May 12, 2023.

Season 455 of Lecture Room premiered on May 27, 2023.

Season 456 of Lecture Room premiered on June 11, 2023.

Season 457 of Lecture Room premiered on June 21, 2023.

Season 458 of Lecture Room premiered on July 3, 2023.

Season 459 of Lecture Room premiered on July 15, 2023.

Season 460 of Lecture Room premiered on August 2, 2023.

Season 461 of Lecture Room premiered on August 6, 2023.

Season 462 of Lecture Room premiered on August 13, 2023.

Season 463 of Lecture Room premiered on September 2, 2023.

Season 464 of Lecture Room premiered on September 16, 2023.

Season 465 of Lecture Room premiered on September 30, 2023.

Season 466 of Lecture Room premiered on October 8, 2023.

Season 467 of Lecture Room premiered on October 14, 2023.

Season 468 of Lecture Room premiered on October 26, 2023.

Season 469 of Lecture Room premiered on November 5, 2023.

Season 470 of Lecture Room premiered on November 15, 2023.

Season 471 of Lecture Room premiered on December 3, 2023.

Season 472 of Lecture Room premiered on December 14, 2023.

Season 473 of Lecture Room premiered on December 26, 2023.

Season 474 of Lecture Room premiered on January 7, 2024.

Season 475 of Lecture Room premiered on January 17, 2024.

Season 476 of Lecture Room premiered on January 27, 2024.

Season 477 of Lecture Room premiered on February 1, 2024.

Season 478 of Lecture Room premiered on February 10, 2024.

Season 479 of Lecture Room premiered on February 22, 2024.

Season 480 of Lecture Room premiered on February 28, 2024.

Season 481 of Lecture Room premiered on March 3, 2024.

Season 482 of Lecture Room premiered on March 18, 2024.

Season 483 of Lecture Room premiered on March 31, 2024.

Season 484 of Lecture Room premiered on April 15, 2024.

Season 485 of Lecture Room premiered on May 5, 2024.

Season 486 of Lecture Room premiered on May 15, 2024.

Season 487 of Lecture Room premiered on June 4, 2024.

Season 488 of Lecture Room premiered on June 10, 2024.

Season 489 of Lecture Room premiered on June 24, 2024.

Season 490 of Lecture Room premiered on July 4, 2024.

Season 491 of Lecture Room premiered on July 7, 2024.

Season 492 of Lecture Room premiered on July 22, 2024.

Season 493 of Lecture Room premiered on August 4, 2024.

Season 494 of Lecture Room premiered on August 14, 2024.

Season 495 of Lecture Room premiered on August 23, 2024.

Season 496 of Lecture Room premiered on September 14, 2024.

Season 497 of Lecture Room premiered on September 26, 2024.

Season 498 of Lecture Room premiered on October 8, 2024.

Season 499 of Lecture Room premiered on October 20, 2024.

Season 500 of Lecture Room premiered on November 4, 2024.

Season 501 of Lecture Room premiered on November 19, 2024.

Season 502 of Lecture Room premiered on December 15, 2024.

Season 503 of Lecture Room premiered on December 21, 2024.

Season 504 of Lecture Room premiered on December 31, 2024.

Season 505 of Lecture Room premiered on January 5, 2025.

Season 506 of Lecture Room premiered on January 21, 2025.

Season 507 of Lecture Room premiered on January 28, 2025.

Season 508 of Lecture Room premiered on February 1, 2025.

Season 509 of Lecture Room premiered on February 10, 2025.

Season 510 of Lecture Room premiered on February 20, 2025.

Season 511 of Lecture Room premiered on March 2, 2025.

Season 512 of Lecture Room premiered on March 18, 2025.

Season 513 of Lecture Room premiered on March 28, 2025.

Season 514 of Lecture Room premiered on April 17, 2025.

Season 515 of Lecture Room premiered on April 25, 2025.

Season 516 of Lecture Room premiered on May 5, 2025.

Season 517 of Lecture Room premiered on May 16, 2025.

Season 518 of Lecture Room premiered on May 26, 2025.