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.

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.

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.

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

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