The special Grey's Anatomy - Private Practice crossover failed to disappoint: Amelia ventured to Seattle Grace hoping her brother Derek could save Erica, the baby mama of Cooper's son Mason. Meanwhile, Meredith found a new mentor, Cristina and Owen tried more

Cristina and Owen's relationship issues took center stage in therapy during the series' yearly Private Practice crossover "event" http://tvrecaps.ew.com/recap/greys-anatomy-season-8-episode-15/

So Richard is back to doing what he does best, running the hospital. It was kind of funny when Callie accused him of being a puppet master; where has she been? It was also interesting when Meredith suggested the two of them could be friends. The doctors’ more