Delivering a commencement speech at Dartmouth College, the actress said her "Grey's" tenure marked "one of the most challenging decades of my life."

All 18 episodes of "Grey's Anatomy" Season 21 will be available to stream on Netflix on Saturday, June 14. Previous seasons of the show are available on the streaming platform as well. Season 21 of "Grey's Anatomy" is also available to stream on Hulu and Disney+.

Jeffrey Dean Morgan tells PEOPLE he was offered parts in movies, including 'P.S. I Love You' and 'Watchmen,' after his breakthrough performance as the dreamy heart transplant patient on ABC's hit medical drama 'Grey's Anatomy.

Grey’s Anatomy fans have been left tears as award-winning actress, Sandra Oh, who played Dr Cristina Yang on the ABC show, becomes a doctor ‘for real’.

Scott Speedman joined the cast of Grey’s Anatomy in Season 18, reprising the role of Dr. Nick Marsh from a one-episode guest appearance in Season 14. Many of the longtime series’ actors have said the surgical lingo is hard to nail down, but Speedman seems to actually enjoy it, as he said in Variety’s Actors on Actors series:

Grey's Anatomy has been successfully running for over two decades and holds the unique distinction of being the longest-running primetime television show.

A Grey's Anatomy fan favourite star will be starring in a brand new series that is set to air this year. Jesse Williams is well known for his role as Jackson Avery in the long running ABC medical drama.