After Calvin enjoys attending a hockey game with Dave, Malcolm and Marty wonder if their neighbor is rubbing off too much on their dad; Tina decides to enjoy the perks that come with her "stardom" when she's mistaken for a celebrity.
When Calvin and Dave's college basketball teams go head-to-head, Dave surprises the Butlers with tickets to the game; a friend from Michigan visits and reveals surprising new details about Dave.
When Grover gets into a fight with a bully at school, Gemma is torn between her role as principal and wanting to protect her son; Calvin encourages Marty to stand up to his own bully, only to be shocked when he learns who it is.
As Calvin and Tina near a milestone anniversary, Dave and Gemma help the Butlers have the wedding they missed out on the first time around; Malcolm and Marty prepare an unforgettable performance for their parents' special occasion.
When Dave accidentally knocks out the Butlers' power during a heat wave, Calvin and Tina spend the night at the Johnsons' home; Malcolm has some fun at Marty's expense when he crashes at his little brother's refurbished apartment.
When Gemma sets a reluctant Malcolm up on a blind date with a teacher at her school, she discovers new details about the origins of her relationship with Dave; Marty helps Calvin and Tina plan for their future.
The Butlers and Johnsons decide to go on a double date, and they all get more than they bargained for at a new restaurant; Grover invites Malcolm and Marty to be the first guests on his new podcast.