

Lexie only makes scarce appearances in the first few episodes because Chyler Leigh asked for (and was allowed) an extended summer hiatus in order to spend more time with her family.She gave birth to a daughter during the summer hiatus on June 20, 2012. Jessica Capshaw became pregnant during the course of this season, most noticeable in the latest episode of the season.This season is the only one so far in which the main cast does not change compared to the previous season.As of this season, Tony Phelan and Joan Rater take over from Shonda Rhimes as showrunners.Meredith also shares the Flight voice over with Richard Webber. This voice over is narrated by Derek Shepherd, Richard Webber, Alex Karev, Mark Sloan, and Jackson Avery. Meredith Grey narrates all voice overs this season, except for What is It About Men's voice over.and Jael Moore as Zola Grey Shepherd (13/24) Evelyn Reese as Grandma Anderson (2/24).Linda Eve Miller as Nurse Melanie (1/24).Brie Eley as Hospital Administrator/Administrative Assistant (2/24).Nicole Cummins as Paramedic Nicole (7/24).Daniel Sunjata as Nurse Eli Lloyd (2/24).Amy Price-Francis as Susannah Wilson (2/24).A plane with Mark, Lexie, Derek, Meredith, Arizona, and Cristina crashes in the woods.He later gets accepted into the residency program at UCLA, meaning they have to try long distance. The residents who pass their boards all decide to leave Seattle.Romance ensues between Richard Webber and Catherine Avery. As Adele's condition worsens, Richard realizes he can't keep her home and sends her to Roseridge.April loses her virginity to Jackson the night before the boards.The fifth-year residents take their oral boards.Lexie and Jackson break up when she's unable to let go of her feelings for Mark.Owen eventually cheats on her to take revenge on her.

