An Imagin short shown between Juken Sentai Gekiranger: Nei-Nei! Hou-Hou! Hong Kong Decisive Battle and Kamen Rider Den-O: I'm Born!.  Momotaros gloats of his strength until Master Sha-Fu dares him to prove it by swimming. After being made fun of by Urataros and Ryutaros, and bashed by Kintaros, Momotaros is talked into believing he can swim by Deneb.

Momotaros' Summer Vacation

When a powerful new foe known as the Legendorga arises in 2008, Wataru investigates the mystery behind the crisis, which brings him in contact with a man Nago once knew, Shiramine Takato, whose 3WA also possess their own Rider System. When Shiramine explains how everything began in 1986, Wataru uses Castle Doran’s Time Door to travel back in time, leading him to meet his father face-to-face at last. But has Wataru managed to change the future, or will the Legendorga still rise and enslave humanity?

Kamen Rider Kiva: King of the Castle in the Demon World

Goro is a sommelier who transforms into the titular Kamen Rider G to fight the former anti-terrorism unit Shade, who captured and brainwashed him into a soldier, before the unit went underground due to the use of kidnapped people as supersoldiers. During a raid at TV Asahi led by Daidō Oda, who demands the release of their imprisoned leader, Seizan Tokugawa, Goro encounters his girlfriend Eri Hinata. She jogs his memory and he attacks his former comrades while getting Eri out of harm's way. This makes Oda reveal his true form as the Phylloxera Worm while his subordinates transform into the Acarina Worm, the Subst Worm, the Brachypelma Worm Viridis, and the Cochlea Worm to attempt to destroy the traitor. After an extended fight across the city and countryside, G manages to defeat Phylloxera Worm thanks to the encouragement of Decade and the other primary Heisei Riders appearing before him. Running off, Goro vows to save the world from Shade before returning to Eri.

Kamen Rider G

A series of Internet and cellphone spin-off films associated with the theatrical movie "Kamen Rider Decade: All Riders vs. Dai-Shocker". Thirty of these short films were made, taking place in the "World of Net", with the first aired on July 17, 2009. The series was split up into multiple categories including "Petition!" and "Transform!".