Grey's Anatomy - Season 6, Episode 17: Soundtracks

Mark tries exercise and caffeine to assuage his loneliness at the beginning of the episode, Callie suggests he try a real relationship.

Callie and Arizona find out about what they each told; Mark scares Alex; Owen discovers Cristina is now spying on him for Richard.

Ben teaches Bailey how to have a conversation.

Meredith tells Owen they are not a team; Callie gets her experiment with Arizona and talks about having kids in the future.

Richard and Derek talk. Lexie finds out Mark is moving on. Bailey and Ben kiss.

Mark joins Arizona & Callie for lunch & to discuss Teddy; Alex warns Lexie against talking to him in front of Mark; Lexie rants to Meredith & Cristina about Mark; montage.