Season
- Season 0 2006-01-08
- Season 1 2005-03-27
- Season 2 2005-09-25
- Season 3 2006-09-21
- Season 4 2007-09-27
- Season 5 2008-09-25
- Season 6 2009-09-24
- Season 7 2010-09-23
- Season 8 2011-09-22
- Season 9 2012-09-27
- Season 10 2013-09-26
- Season 11 2014-09-25
- Season 12 2015-09-24
- Season 13 2016-09-22
- Season 14 2017-09-28
- Season 15 2018-09-27
- Season 16 2019-09-26
- Season 17 2020-11-12
- Season 18 2021-09-30
- Season 19 2022-10-06
- Season 20 2024-03-14
- Season 21 2024-09-26
Season 21 Episode
- Season 4 A Change Is Gonna Come
- Season 4 Love/Addiction
- Season 4 Let the Truth Sting
- Season 4 The Heart of the Matter
- Season 4 Haunt You Every Day
- Season 4 Kung Fu Fighting
- Season 4 Physical Attraction, Chemical Reaction
- Season 4 Forever Young
- Season 4 Crash Into Me (1)
- Season 4 Crash Into Me (2)
- Season 4 Lay Your Hands on Me
- Season 4 Where The Wild Things Are
- Season 4 Piece of My Heart
- Season 4 The Becoming
- Season 4 Losing My Mind
- Season 4 Freedom (1)
- Season 4 Freedom (2)
Grey's Anatomy - Season 4 Episode 13 Piece of My Heart
8.20 43 minutes Addison visits Seattle Grace because they need skills that only she has. Rebecca/Ava returns with news for Alex. Meredith and Derek's clinical trial experiences one or two developments.
