After learning his fellow cats are aliens, Mr. Sprinkles decides to go with them to their home planet; Gluko and Lennon get into a fight and separate; realizing they can't function without each other, they take on new personas to keep hanging out.

In a misguided attempt to do the right thing, Gluko and Lennon help Geremy follow his dreams; Gluko and Lennon offer to watch Ho Cho Jo's shop while she runs an errand, but they struggle with the pressure of keeping all customers happy.

The citizens of Townopolis gather to observe the highly anticipated Centennial Puppy Shower; after Gluko and Lennon make the world's heaviest pizza, they consult fitness guru Claude the Buff Hamster to get in shape so they can lift a slice.