Kamen Rider: Eight Riders Vs Galaxy King is The Movie of Kamen Rider: Skyrider. It is a Crisis Crossover that unites Skyrider with the seven Kamen Riders who came before him. It was the Kamen Rider franchise's first original theatrical production since Five Riders vs. King Dark in 1974.
The plot has the Earth become menaced by a new extraterrestrial foe, the titular "Galaxy King", who has allied with Neo-Shocker in a plot to use a new energy source to take over the world.
Tropes:
- Antagonist Title: Vs. Galaxy King.
- Legion of Doom: A number of previously defeated Neo-Shocker kaijin get brought Back from the Dead to guard Neo-Shocker's Mt. Fuji base against the Kamen Riders.
- Mecha-Mooks: Galaxy King's ships is staffed by a team of robotic Evil Minions.
- Villain Opening Scene: The first scene of the movie has Galaxy King's forces attacking a space station.
- Villain Team-Up: Neo-Shocker is working alongside Galaxy King to defeat Skyrider and take over the world.