The ER doctors and nurses help out at Camp Del Corazon, a camp for kids who have had open-heart surgery, working alongside the camp counselor (guest star TOM ARNOLD).

Cast: Parminder Nagra, John Stamos, Linda Cardellini, Scott Grimes, David Lyons, Angela Bassett, Shane West, Tom Arnold, Courtney B. Vance, Hedy Burress, Justina Machado, Rooney Mara, Ariel Winter, Laura Cerón, Troy Evans