Grey's Anatomy returns next Thursday, March 15.
In "One Step Too Far," Derek encourages a hesitant Meredith to work with him again in neurology, while Jackson's mom, Catherine Avery (Debbie Allen), returns to Seattle Grace with a urology fellow.
She develops an interest in Richard, predictably, and Cristina, in the midst of an emotional case, becomes increasingly suspicious of Owen's every move. Do you think he's hiding something, or is she paranoid?
Finally, Alex tries to deny the fact that Morgan may be falling for him, which Callie tries to speak with him about. That conversation goes about as well as you'd probably imagine it would.
Take a look five clips from the episode below ...