Hamster and Gretel get superpowers from aliens while Kevin grapples with being superhero-adjacent; Kevin and Gretel disagree over how to stop a meteor.
Kevin and Gretel have to rescue family dinner night/Gretel faces off against a lightning powered cowboy as Dave struggles to get Carolina the perfect anniversary gift.
Gretel is jealous of the amount of attention Kevin has been giving to the family dog after he goes viral online. Kevin, Gretel and Hamster work to protect Bailey's birthday party from someone who has repeatedly ruined birthday parties.
After Gretel makes it known she is bored, her mother puts her to work with chores leaving Kevin and Hamster to take down a new exterminator-themed villian without her. Hamster and Gretel work to save the city from an enlarged giant otter.
Hamster and Gretel must face their worst fears after battling a supervillain who can materialize people's greatest fears. Kevin and Gretel's strict grandmother comes for a visit.
On a trip to Las Vegas, Kevin, Hamster and Gretel encounter the aliens that gave them their powers and learn that much more sinister things are happening.
Carolina's sister comes to visit, and Kevin and Gretel infiltrate a wrestling match. Carolina and Gretel attend a festival that takes Carolina by surprise.
When Gretel and Bailey follow reporter Veronica Hill for career day, they encounter an old foe, Van Dyke, out for revenge; Kevin and Gretel try to beat the heat at the town's newest ice cream parlor.
When a mysterious woman steals peoples' happiness at an amusement park, Hamster and Gretel try to stop her; Nordle invites Gretel and Bailey over for lunch.
Kevin is stuck at home with a sprained ankle as the rest of the gang tries to stop a strange jewel thief; when Professor Exclamation goes missing, Gretel and Nordle try to find him.