With Clyde finally back from camp, Lincoln has the entire day planned for maximum fun for their last day of summer. However, things go awry when Lincoln accidentally eats some of Lisa's memory-erasing jelly beans.
When Lucy and the Mortician's Club bring a cursed wheel of cheese into the house Lincoln and Clyde must race to save everyone from their worst nightmares.
When Clyde finds himself in the best program at school, Lincoln has to find a way to reconnect before the epic spitball battle they've been preparing for. Dad tries every trick in the book to get an annoying song out of his head.
Lincoln is excited to stay up late with his best friend, Clyde, to watch the Rip Hardcore Midnight Marathon, but his plans are ruined when his dad institutes an early curfew; they come up with the idea to celebrate his half-birthday.
Lincoln and Clyde are determined to make a name for themselves but learn that sacrificing someone else's dreams to get there isn't worth it in the end.