Grey’s Anatomy’ EP Meg Marinis on the Season 21 finale: that breakup, Meredith's return to Seattle, the explosion — and whether Sandra Oh will return.

"Unless you saw them, I don't think we can say anyone is necessarily safe," she tells The Hollywood Reporter about the seemingly deadly final moments of season 21.

Not willing to sit and wait as Amelia advised her, Jenna took things into her own hands. Using a tank with explosive gas from her husband’s work supply as a weapon, she forced Amelia to operate on her daughter to try and fix what didn’t work the first time.