Ginny McMath

Derek asks Meredith to work with him in neuro again; Catherine Avery (Debbie Allen) comes back to Seattle Grace and takes an interest in Richard; Cristina becomes increasingly suspicious of Owen; Morgan may be falling for Alex.

Jane and Frankie work hard to solve the murder of someone who grew up with them; Jane and Maura must decide when to reveal the truth about Lydia's pregnancy to Angela.

Frankie intends to find a suitable friend for Brick; Sue sneaks into an R-rated movie with her friend Carly; Axl and his band covertly shoot footage of their biology teacher (Kristin Cavallari) for their music video.

Frankie decides to throw a Christmas Eve party at the house. Meanwhile, Sue calls on Reverend TimTom to explain the meaning of Christmas and Axl gets annoyed with Bob.

When Frankie discovers Axl hasn't done any revision for some important school exams, she forces him to knuckle down. Meanwhile, Sue tries her hand at cheerleading.

Sue wants to back out of her engagement to Darrin, but she doesn't know how to do it. Meanwhile, Axl uses what he has learned in his psychology class to try and cure Brick.