Horace leaves for a medical conference and empowers Alan by putting him in charge of the hospital for a day. Alan instantly abuses his powers making life miserable for everyone, especially Oliver and Skylar.

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.