Kamen Rider OOO, Den-O & All Riders: Let's Go Kamen Riders

Kamen Rider Den-O, Kamen Rider OOO, and Ankh traveled through time to battle the secret terrorist organization known as Shocker. A Cell Medal unwittingly left behind during the battle enables Shocker to achieve world domination. It falls to the Kamen Riders and a group of young fans to repair the timeline and destroy Shocker once and for all.