1999 | 20 Episodes
Season 1 of WWE SmackDown premiered on April 29, 1999.
2000 | 52 Episodes
Season 2 of WWE SmackDown premiered on January 5, 2000.
2001 | 52 Episodes
Season 3 of WWE SmackDown premiered on January 3, 2001.
2002 | 52 Episodes
Season 4 of WWE SmackDown premiered on January 2, 2002.
2003 | 52 Episodes
Season 5 of WWE SmackDown premiered on January 1, 2003.
2003 | 53 Episodes
Season 6 of WWE SmackDown premiered on December 31, 2003.
2005 | 53 Episodes
Season 7 of WWE SmackDown premiered on January 6, 2005.
2006 | 52 Episodes
Season 8 of WWE SmackDown premiered on January 6, 2006.
2007 | 52 Episodes
Season 9 of WWE SmackDown premiered on January 5, 2007.
2008 | 52 Episodes
Season 10 of WWE SmackDown premiered on January 4, 2008.
2009 | 52 Episodes
Season 11 of WWE SmackDown premiered on January 2, 2009.
2010 | 53 Episodes
Season 12 of WWE SmackDown premiered on January 1, 2010.
2011 | 52 Episodes
Season 13 of WWE SmackDown premiered on January 7, 2011.
2012 | 52 Episodes
Season 14 of WWE SmackDown premiered on January 6, 2012.
2013 | 52 Episodes
Season 15 of WWE SmackDown premiered on January 4, 2013.
2014 | 52 Episodes
Season 16 of WWE SmackDown premiered on January 3, 2014.
2015 | 53 Episodes
Season 17 of WWE SmackDown premiered on January 2, 2015.
2016 | 52 Episodes
Season 18 of WWE SmackDown premiered on January 7, 2016.
2017 | 52 Episodes
Season 19 of WWE SmackDown premiered on January 3, 2017.
2018 | 52 Episodes
Season 20 of WWE SmackDown premiered on January 2, 2018.
2019 | 52 Episodes
Season 21 of WWE SmackDown premiered on January 1, 2019.
2020 | 52 Episodes
Season 22 of WWE SmackDown premiered on January 3, 2020.
2021 | 53 Episodes
Season 23 of WWE SmackDown premiered on January 1, 2021.
2022 | 52 Episodes
Season 24 of WWE SmackDown premiered on January 7, 2022.
2023 | 52 Episodes
Season 25 of WWE SmackDown premiered on January 6, 2023.
2024 | 52 Episodes
Season 26 of WWE SmackDown premiered on January 3, 2024.
2025 | 52 Episodes
Season 27 of WWE SmackDown premiered on January 3, 2025.
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