Mark, still recovering from the attack, vents his emotions in a violent fit in the break room and buys a gun for protection. Carter decides his future lies in emergency medicine, not surgery, and tries to convince an irate Anspaugh likewise. Drs. Ross and Del Amico work together when Charlie is brought back into the ER. Peter's child strengthens. Doug and Carol share a kiss. Jeanie and Al are back together.
Elenco: Maura Tierney , Parminder Nagra , Scott Grimes , Linda Cardellini , John Stamos , David Lyons , Angela Bassett , Laura Innes , Lily Mariye , Linda Cardellini , Maura Tierney , Mekhi Phifer , Noah Wyle , Parminder Nagra , Scott Grimes , Sherry Stringfield , Yvette Freeman , Eriq La Salle , Kellie Martin , John Stamos , Michael Michele , Erik Palladino , Angela Bassett , David Lyons , Chase Masterson , Swoosie Kurtz , Lisa Vidal , Laura Cerón .