Important things that happened
- Number 104
- Base type: Bat Type
- One of Medic's Grim Reapers. This one was modified to have a gun arm. Killed by Mach
- Number 034
- Number 054
- Gen sees Mach and mistakenly thinks that the Kamen Rider is white after all. Then he sees both and realizes there're two of them. Then he sees Drive and calls him "a red Kamen Rider?"
- Saijou discovers the method that the Roidmude uses to find their victims to copy them. This becomes the first big lead in the case against the Roidmude.
Out of Episode Trivia
- Opening footage is from Super Hero Taisen Grand Prix to promote the movie.
Kamen Rider Drive 21 Transcript