with 3 episodes premiered on September 19, 2007

with 9 episodes premiered on September 26, 2007

The first season of Private Practice premiered on September 26, 2007 and concluded on December 5, 2007. It consisted of 9 episodes.

with 22 episodes premiered on October 1, 2008

The second season of Private Practice premiered on October 1, 2008 and concluded on April 30, 2009. It consisted of 22 episodes.

with 23 episodes premiered on October 1, 2009

The third season of Private Practice premiered on October 1, 2009. and concluded on May 13, 2010. The season consisted of 23 episodes.

with 22 episodes premiered on September 23, 2010

The fourth season of Private Practice premiered on September 23, 2010, and concluded on May 19, 2011. The season consisted of 22 episodes.

with 22 episodes premiered on September 29, 2011

with 13 episodes premiered on September 25, 2012