Five years after leaving the army base, Owen must re-integrate into a 'normal' life at the hospital.

The doctors are summoned to the White House, by Lola, to help with a matter of national security.

Shocking DNA test results cause confusion and chaos among the staff.

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

Lola may have a superpower, and Blake and Dori seek parenting advice.

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.

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

Sy runs himself ragged trying to impress an influential blogger before the big hospital fundraiser gala.

In a quest to get pregnant, Val assembles a team to break into Sy's sperm bank vault to steal his prized collection.

When Sy's new girlfriend makes significant changes around the hospital, the doctors react with hostility.

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

After a newspaper calls him a "rock star surgeon," Glenn worries that he will die on his upcoming 27th birthday.

Glenn returns to Sao Paolo, Brazil, for his family's weekly Shabbat dinner.

When Blake realizes that the source of his life's pain is the other doctors, he decides to take revenge.

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

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

A plane crash threatens a night of entertainment on the base.

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

The doctors rally to save a ward for imaginary friends.

When Lola is recruited for a government task force, the past threatens to compromise the mission.

It's Old Fashioned Day at Childrens Hospital. And it lasts longer than a day, which allows for a conflict.

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

Derek Childrens vows to regain control of the hospital from Sy. Includes fairies, a donkey head, hydraulics and poison lipstick.

David Wain's personal documentary about his friendship and rivalry with Just Falcon.

The doctors' trip to Japan comes to a climax.

In this episode, which satirizes "The Girl with the Dragon Tattoo", everyone at Childrens Hospital gets amnesia. After that, it looks as though the only way to get rid of the amnesia is to give the amnesia... amnesia. I'm forgetful about what happens after that.

Madonna visits the hospital, stunning Owen.

Chief recounts her past, but the doctors aren't interested in her tale.

The doctors have free time on their hands. Lola sports a bikini.

The actors' bad behavior is caught on camera.

Owen works with a detective to get to the bottom of strange behavior by kids.

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

Single mothers receive discounts.

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

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

Sal Viscuso is hunted and Owen is haunted.

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

The Mafia run wild in the hospital.

The death of a cast member is examined.

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.

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 pediatric plastic surgeon joins the staffers; Max Von Sydow has a mix-up in the maternity ward; and Glen and Owen try to hunt down a snack.

Glenn returns from Vietnam; Lola has new career aspirations.

Lola and Brian try to locate Cat's father; the doctors wait for a prisoner's execution and plan to use his heart in a transplant procedure.

The staff receive counseling after the death of Brock Stryker (Rob Riggle).

The doctors go back in time.

Owen's secret wife (Alicia Silverstone) and baby visit the hospital for treatment; Val plays a high-stakes game of chess.

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

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

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

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

As the new season begins, Cat Black is conflicted about her full term pregnancy, because the father (Nick Kroll) is 6 years old and has advanced aging disease; the doctors remember Lola who still seems to be dead; Chief has more than professional feelings for the new administrator; Glenn cures cancer.

Cat goes into labor with Little Nicky's baby. Little Nicky's advanced aging disease causes him to take on the tendencies of an old man as the disease begins to kill him. Lola Spratt returns from the hospital to explain that she faked her death, but everyone believes she is a ghost. Blake Downs returns to the hospital, following the failure of his private practice/spin-off. New doctor Valerie Flame takes over narrating duties on the show for Cat Black when complications occur in the birth of she and Nicky's child.

Dr. Maestro asks Dr. Flame to give him a lethal injection so that he can find Dr. Spratt in the spirit world. A creepy EMT wants to show The Chief his "sexy costume.

Dr. Blake's clown brother comes to visit and borrows money from Dr. Blake to pay off his gambling debts, while telling him it's for an operation. A mascot from a local theme park starts suspiciously, repeatedly bringing in children with broken arms for treatment. The hospital is turned into a youth hostel, and Sy gets conned by an attractive young foreign girl.

The staff must choose between saving an old black man and a young white kid. Insult comic Jeffrey Ross brings his child into the O.R., but the staff is more concerned with enjoying his humor than treating his child. Two Star Trek nerds dressed in uniforms (one as a Klingon) visit the hospital.

An episode of TV news magazine News Readers covering the filming of the final episode of Childrens Hospital, complete with behind the scenes looks at the show. Cutter Spindell (who portrays Blake Downs on the show within the show) interferes to save the series, convincing protesters that they're saving an actual children's hospital.

A knife stuck in a boy's chest may not be what it seems; Glenn's cancer cure is threatened by a mysterious visitor, a mind-reading girl visits the coma room.

When the power goes out on the hottest day of the year, sexual tensions boil over among the staff. Blake is date-raped. Dori fries eggs on her boobs.

A hip sexy Rabbi (David Wain) arrives and seduces Valerie, angering Glenn; Sy faces a moral dilemma involving a coffee machine; Lola is confused by a mysterious organ in a cooler.

"Take Your Daughter to Work" day at the hospital ignites a series of conflicts involving a leering child molester (Steve Agee), Chief's sexy daughter (Lizzy Caplan), and an 11 year-old patient whose gender is yet to be determined.

The abortion debate is brought into relief by a visit from a prominent Senator (Ed Begley, Jr.); Owen must decide whether he can treat the 10-year-old who beats him daily; Sy finally faces his alcoholism.

In a special live episode, a visiting Sultan needs emergency surgery; Blake faces a crucial decision about his clown make-up; Glenn cuts off his finger for Valerie. A surprise ending reveals the shocking the truth about one of the doctors, shattering everyone's perceptions. SEASON FINALE.

When Cat breaks up with Owen, Lola decides to be supportive and break up with her own boyfriend, Glenn, by telling him that she has brain cancer.

Things get tense after Cat sneezed on Lola. Meanwhile, Briggs tries to get Glen back on the police force.

The Chief calls a staff meeting to discuss Lola's nonexistent brain tumor.

The Chief tries to help a boy who has aged rapidly. Meanwhile, Blake tries to help people via the healing power of laughter.

Another doctor tries to use Blake's method: the healing power of laughter.

In this very special episode, things are told from the perspective of a visiting doctor from Puerto Rico.

Glen gets upset about Cat's new boyfriend. Meanwhile, a new doctor may be able to cure The Chief.

Blake challenges Nate to a competition where the two doctors must perform surgery using only the healing power of laughter.

Blake tells Lola he knows her brain tumor is fake. Meanwhile, Glen tries to get revenge on Cat's new boyfriend.

In the season finale Max performs surgery on The Chief and Blake tries to cure Lola's nonexistent tumor.