The veteran actress will be back in the show's record-breaking 332nd episode.
The former 'Grey's Anatomy' star gave ET's Katie Krause a tour of the Dempsey Center in his hometown of Lewiston, Maine.
The ABC series will surpass 'ER' this year as the longest-running medical drama on primetime.
Shonda Rhimes, Kate Walsh and others couldn't contain their excitement about Oh's victory.
From Roseanne Barr's social media meltdown to 'Grey's Anatomy's shocking cast shakeup, here are the stars who left big shows this year.
The 'Grey's Anatomy' alum talks to ET about Lifetime's 'Christmas Pen Pals,' which revolves around the art of letter writing.
The 58-year-old actress has joined the ABC medical drama for a multi-episode arc.
The 49-year-old Grey's Anatomy star stopped by 'Red Table Talk' on Monday.
The actress says that typically when someone leaves the show, 'they need to sort of find themselves.'
The actress also revealed how she once called out the CEO of Disney for lack of diversity in 'Frozen.'
On Thursday's episode, Teddy finally comes clean to Owen about her pregnancy.
Showrunner Krista Vernoff also talks to ET about the origins of this new 'awakening' for Levi, aka 'Glasses,' in season 15.
Showrunner Krista Vernoff talks to ET about how the final sequence, featuring familiar faces, came to be and who didn't make the cut.
ET was exclusively on set with Carmack and toured the prosthetics room. 'Grey's Anatomy' airs Thursdays on ABC.
