Chase Austin

A seemingly healthy 14-year-old collapses during a skateboarding exhibition; House and Cuddy face the challenge of handling their romantic relationship at work.

Jake is pressured to make a decision about his future on the ninth season finale. Comedian Patton Oswalt returns as Walden's ex-business partner, Billy.

Gang Detectives Sammy Bryant and Nate Moretta have their work cut out for them when an unidentified female is found dead in the middle of a Los Angeles alley -- and her body is being used for target practice by gang members. The tension mounts for Nate when his little sister disappears revealing a secret from his past that blindsides Sammy. Elsewhere, Detective Russell Clarke is offended by Lydia's suggestion that he was too personal during a consult with a victim's sister.

Rocky's dad gets the girls a gig dancing at the hospital.

Stephanie trades in cosmos for carpools when she marries an older man with three kids. Her new role of full-time stepmom is challenging as she struggles to maintain some sense of her fun-loving, slightly irresponsible self.