With Gaoh having stolen the DenLiner and trapping the Imagins onboard, Ryotaro and Hana find themselves trapped in the year 2000 where they meet Ryotaro’s younger self, but Ryotaro is slowly forgetting everything having to do with Den-O! As Gaoh
OOO, Den-O, All Riders: Let's Go Kamen Riders
Scooby-Doo! Stage Fright
Late Afternoon
Scooby-Doo! and the Sea Monsters