Two best friends discover a doorway leading to the hospital for super heroes.

Two best friends discover a doorway leading to the hospital for super heroes.

When Oliver's dad starts to wonder where he's going after school, Oliver says he's doing a play about Frankenstein.

Kaz boldly asks the most popular girl in school to the upcoming school carnival but is rejected, and tries to save face by claiming he already has a girlfriend. Much to Oliver's chagrin, Kaz invites Skylar to accompany him to the carnival, her first venture into the "normo" world, in hopes of convincing everyone that she is his girlfriend. Meanwhile, Alan tries to prove his worth to his uncle Horace by attempting to cure Titanio, a superhero with amnesia.

Oliver uses his burgeoning medical skills at school when he performs CPR on a popular girl's poodle, which quickly elevates his social status much to Kaz's chagrin. When the popularity goes to his head, Kaz cuts Oliver down to size, literally, with a shrinking ray. Meanwhile, Horace cannot perform surgery on Citadel, an ailing superhero with an impenetrable metal exoskeleton, so shrunken Oliver is sent inside the hero's body to diagnose the problem.

Pranks do not exist in Skylar's world.

Kaz and Oliver meet superhero, Timeline.

When a strange illness gives Gus evil powers, Kaz and Oliver sneak him into the ER for treatment. Horace pretends to be Skylar's father for a parent-teacher conference.

Alan is put in charge of the hospital for a day, but he abuses his power and makes life miserable for everyone.

Kaz applies to be Tecton's sidekick, but Oliver is chosen instead. Alan and Benny form a superhero team of their own.

Kaz plans a surprise birthday party for Oliver and accidentally lets in the villain Revengeance.

Oliver enlists a mind-altering superhero named Neocortex to help him become more carefree and spontaneous like Kaz. When the brainwashed Oliver is too reckless during a crisis, Kaz is forced to step up and be the responsible one.

Skylar introduces Kaz and Oliver to her longtime friend Experion, a cool and charming teenage superhero. But when Oliver catches Experion in an evil act, he must convince Skylar that her bestie is not as nice as he seems.

Kaz and Oliver revive a frozen-in-time superhero from the 1950s named Captain Atomic. After Captain Atomic is wounded during a battle with a contemporary villain, the boys must travel back in time to save him.

Oliver accidentally steps into the line of fire of a superhero's beam during a routine test, which reverts him back to being 4 years old. While Kaz tries to fix Oliver, Alan develops an undesirable and embarrassing power.

Kaz and Oliver are exhausted and stuck working the overnight shift during a lunar eclipse, when it is rumored that the freakiest patients come to the hospital. When Neocortex checks in with an illness that unintentionally traps people in their worst nightmares, Kaz and Oliver desperately try to stay awake and figure out how to save everyone from their nightmares.

Tension is high at Logan high, and Kaz becomes suspicious that his substitute teacher is actually Dr. Wrath in disguise, a supervillain who feeds on negative energy. While Kaz is determined to get to the bottom of it, Oliver helps Alan get over his aversion to normo food.

Kaz launches a superhero fantasy league at the hospital. The heroes become obsessed with their fantasy stats and only perform saves and defeats that will boost their standings in the league.  Minnesota Vikings’ running back Adrian Peterson guest stars as himself.

Wallace uses an optical image replicator to turn Clyde into an identical look-alike of Kaz in hopes that the disguised Clyde will trick Oliver into revealing the secret location of Mighty Med.

Kaz searches for a flash drive, thinking it contains Oliver’s study guide for a test, but it turns out to be a digital jail storing a villain named Wi-Fi. When Kaz plugs the drive into his laptop, Wi-Fi enters the physical world and simultaneously pulls Kaz into the computer.

When Horace complains that comic book sales are down, Oliver and Kaz join the writing staff to help spice up the books. However, the boys' altered versions of the stories cause problems in the superhero community.

Oliver and Skylar pet sit Horace's shark that is kept in the aquatic wing of the hospital. When Oliver feeds the shark the wrong food, the shark evolves into a man-shark.

Horace introduces the boys to an all-powerful device that looks like a pen, but can bring any illustration to life. Panic ensues at the hospital when the device goes missing.

It’s been a year since Skylar lost her powers, so Oliver and Kaz decide to throw her a party to celebrate their one-year anniversary of friendship. But when they learn that Skylar is in danger of losing her powers permanently, Oliver and Kaz set out to get them back.

It’s been a year since Skylar lost her powers, so Oliver and Kaz decide to throw her a party to celebrate their one-year anniversary of friendship. But when they learn that Skylar is in danger of losing her powers permanently, Oliver and Kaz set out to get them back.