Greys Anatomy showrunner Meg Marinis briefly explained the process they go through in the writers room regarding bringing back past characters.

Tonights episode of Greys sees Jessica Capshaw return as Arizona Robbins. Jessica left the show ahead of season 15, and is back for tonights brand-new episode.

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Meg explained to EW, Thats the amazing thing about the writers room and having so many characters that have been on and off the show, everybody is always pitching different stories to bring back different people. It was a nice balance of, This medical story is amazing, and wed been looking for a way to bring Arizona back. So it just seemed right, and it felt like it was time to hear that laugh again in the hospital.

About Arizonas return, Meg promised: Youre going to get a little bit of everything that we love about the character. Were going to see her with some familiar faces. Obviously, shes in the trailer with Bailey [Chandra Wilson] and they have a great relationship. Were going to see her come across a challenge. Were going to see her laugh. Were going to see her be medically awesome. Were going to see her teach. I think people will be really happy.

Theres some huge Greys Anatomy news that was just announced this week.

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'Grey's Anatomy' Showrunner Explains How They Decide to Bring Certain Characters Back - Just Jared