The death of a cast member is examined.

The doctors' trip to Japan comes to a climax.

Updates on the cast are featured on "Newsreaders" in the Season 3 finale.

A look at the British version of "Childrens Hospital".

Officer Briggs needs a place to stay and a copy of Airplane! to rewatch.

Blake asks Glenn to coach him through a new romantic relationship. Chief and Cat prank call Sy. Guest stars include Lindsay Sloane, James Adomian, Paul Scheer, Nick Offerman, Jordan Peele and Brian Huskey.

Glenn returns from Vietnam; Lola has new career aspirations.

The doctors gather at Cat's vacation house for her wedding to Michael.

Nurse Beth enters a love triangle with Glenn and Owen and the doctors try to solve a high-stakes medical mystery.

Owen and Briggs work together on a murder case that has spanned fifteen years; a look into Owen and Briggs' past.

The staff work the night shift under the guidance of Velam Geza.

A long-delayed bar mitzvah for Glenn is planned; Owen wants his foreskin back.

The events of a full year at the hospital are chronicled.

Lola has no friends or pets so she gets a law degree and defends Owen.

The staff move to an army base in Japan when the hospital is infested with termites.

A boy stuck in quicksand is brought to the ER.

Briggs (Nick Offerman) goes undercover in the children's psych ward; Blake's ex (Sarah Silverman) resurfaces; and Chief and Glenn share a moment.

Sy's spy past comes back to haunt him when his former partner returns to kill him.

The Mafia run wild in the hospital.

Owen learns a lesson about hair choices; Glenn reveals the source of his surgical abilities.

The cast appears on a morning show, "Up at 5," in order to promote the upcoming Childrens Hospital movie.

Blake is evicted from his apartment for being a clown; Dr. Brian returns to the hospital after a stint working for the drama "Black Hospital"; and Cat is overexposed.

The doctors feel crowded from sharing an apartment and decide someone should move out. Elsewhere, Sy deals with his own domestic issues.

A day in the life of Chet (Brian Huskey), the creepy paramedic.

Sal Viscuso is hunted and Owen is haunted.