Marvin & Teri attend the Big Time Rush concert, but unbeknownst to them, BTR has been kidnapped by the Klerg who are on the hunt to find Klutonians. When Teri gets mistaken as a Klutonian Marvin must race to save her.
Marvin has dreams of being famous, or at least winning a trophy, and after learning about his school's Battle of the Bands competition he recruits a class of second graders to help him rock and roll.
When Marvin needs some extra money to buy his dream bike, Teri gets him a job working with her at Burger on a Bun, but things get out of hand after Marvin starts taking the job a little too seriously and he ends up firing Teri.
Marvin uses a Calm Palm on Teri when she's over stressed about a fencing competition. Meanwhile, Henry and Pop-Pop want to play hockey in the house, but Bob and Liz want them to follow the house rules.
When Teri's only way to go out with her dream guy is a double date, she reluctantly takes Marvin with her. Meanwhile, Bob tries to prepare the family for a possible attack by Klerg agents.
Teri and Briana plot revenge on a boy who seems to have asked both of them out on a date. Meanwhile, Marvin learns what an 'expiration date' means and that the term doesn't mean the same thing to people as it does to old food.
Marvin is celebrating his favorite holiday, St. Glar Kai Day. However when two FBI agents show up in search of suspect alien activity the Forman's must throw the agents off the case before Marvin's true identity is revealed.
Marvin and Henry anxiously await the premiere of the newest scary movie, but Liz tells them the movie is off limits. When the boys see it anyway, they learn their lesson when the horrors of the screen start to come to life.