2004 | 14 Episodes

Season 1 of Dr. 90210 premiered on July 11, 2004.

2005 | 13 Episodes

Season 2 of Dr. 90210 premiered on February 28, 2005.

2005 | 13 Episodes

Season 3 of Dr. 90210 premiered on November 28, 2005.

2006 | 13 Episodes

Season 4 of Dr. 90210 premiered on October 2, 2006.

2007 | 15 Episodes

Season 5 of Dr. 90210 premiered on July 30, 2007.

2008 | 7 Episodes

Season 6 of Dr. 90210 premiered on September 8, 2008.

2020 | 3 Episodes

Season 7 of Dr. 90210 premiered on September 28, 2020.