D-Video Special: Kamen Rider 4 (ｄビデオスペシャル 仮面ライダー4号 Dī Bideo Supesharu Kamen Raidā Yongō) is a web series which was released as an accompanying special to the film Super Hero Taisen GP: Kamen Rider 3Image:Icon-crosswiki.png. It introduced a new rider, Kamen Rider 4, who is the fourth Kamen Rider cyborg created by Shocker after Kamen Riders 1, 2, and 3.