Kaz plans a surprise birthday party for Oliver at The Domain, but there is a security lockdown at Mighty Med just as they attempt to leave. Convinced that it's a false alarm, Kaz persuades Oliver to sneak out, but accidentally lets in the villain Revengeance. Patton Oswalt ("The King of Queens") guest stars as Ed, a former villain, who Wallace enlists to help stage an intervention to get Clyde to give up his evil ways.

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.