An animated mockumentary follows a group of anthropomorphic raisins from their early beginnings to musical stardom, decline, and eventual comeback. Through interviews, performances, and archival-style footage, the special explores the group’s history and rise to fame.

The Pteranodon family takes the Dinosaur Train to Adventure Island, a new theme park on a volcanic island! The Conductor's archrival Thurston is in charge: he proudly shows off the park's amazing robot dinosaurs! When an earthquake causes the pressure to get too high, the malfunctioning robots go rogue. It's up to Buddy and his siblings to navigate across the island and reunite with their parents.

When the three pigs find a tiny wolf cub on their doorstep, they decide to raise him as their own, unaware that they've played right into the plan of a special-ops team of wolves. As the newest addition to their family, Lucky grows into his teens not knowing his history, his role in the wolves' plan or the difficult choice he will have to make about the family that raised him.