2006 | 68 Episodes
Season 0 of Grey's Anatomy premiered on February 14, 2006.
2005 | 9 Episodes
Season 1 of Grey's Anatomy premiered on March 27, 2005.
2005 | 27 Episodes
Season 2 of Grey's Anatomy premiered on September 25, 2005.
2006 | 25 Episodes
Season 3 of Grey's Anatomy premiered on September 21, 2006.
2007 | 17 Episodes
Season 4 of Grey's Anatomy premiered on September 27, 2007.
2008 | 24 Episodes
Season 5 of Grey's Anatomy premiered on September 25, 2008.
2009 | 24 Episodes
Season 6 of Grey's Anatomy premiered on September 24, 2009.
2010 | 22 Episodes
Season 7 of Grey's Anatomy premiered on September 23, 2010.
2011 | 24 Episodes
Season 8 of Grey's Anatomy premiered on September 21, 2011.
2012 | 24 Episodes
Season 9 of Grey's Anatomy premiered on September 27, 2012.
2013 | 24 Episodes
Season 10 of Grey's Anatomy premiered on September 26, 2013.
2014 | 24 Episodes
Season 11 of Grey's Anatomy premiered on September 25, 2014.
2015 | 24 Episodes
Season 12 of Grey's Anatomy premiered on September 22, 2015.
2016 | 24 Episodes
Season 13 of Grey's Anatomy premiered on September 21, 2016.
2017 | 24 Episodes
Season 14 of Grey's Anatomy premiered on September 27, 2017.
2018 | 25 Episodes
Season 15 of Grey's Anatomy premiered on September 25, 2018.
2019 | 21 Episodes
Season 16 of Grey's Anatomy premiered on September 24, 2019.
2020 | 17 Episodes
Season 17 of Grey's Anatomy premiered on November 12, 2020.
2021 | 20 Episodes
Season 18 of Grey's Anatomy premiered on September 30, 2021.
2022 | 20 Episodes
Season 19 of Grey's Anatomy premiered on October 5, 2022.
2024 | 10 Episodes
Season 20 of Grey's Anatomy premiered on March 13, 2024.
2024 | 18 Episodes
Season 21 of Grey's Anatomy premiered on September 26, 2024.
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