Paper believes he's been accepted into a prestigious college only to learn that he's been placed into the third grade, which is harder than he expected; when Scissors convinces Lou the Landlord to quit, The Astonishing Catalina takes over and ruins the apartment.
When Scissors swallows a pinecone, Pencil uses a technological marvel – the origami robot – to enter his stomach; Scissors sees an inspirational movie about a scrappy kid who defies the odds to become a football star.
Annoyed that the Rat Bros are getting praise for tutoring kids, the trio decides to one-up them by competing to see who can be the most charitable; after a seemingly great date with a pop star, Scissors' life is turned upside down when she releases a hit breakup album all about him, making him the most hated person on the planet.
When Rock can't sleep, Paper and Scissors are forced to tell him a bedtime story; to get Rock and Scissors to connect with him, Paper takes away their phones for the day, only to realize he's cut them off from urgent news about a zombie apocalypse.
Rock's plan to befriend his idol, Franz, goes awry when Franz visits and instead becomes obsessed with Scissors, whom he mistakes for a dog; dreading the annual family get-together where his high-achieving relatives share their accomplishments, Paper fakes his own kidnapping.
When high snack prices threaten the trio's tradition of seeing the new Moonami movie on opening day, they embark on an action-packed mission to get their own candy before the movie starts; the trio is put on trial in a court run entirely by spiders and must prove their innocence after being accused of trying to squish one of their citizens.
Paper and Scissors agree to cover a shift for a sick Rock at the robot car wash, only to discover they must compete in a high-stakes dance competition; convinced his calling is to be a supervillain, Scissors soon discovers that being evil involves a lot more boring, administrative work than he expected.