Kamen Rider Fourze × Crayon Shin-chan is the collective title of the special crossover episodes of Kamen Rider Fourze and Crayon Shin-chan. The special promotes the two series' new films: Kamen Rider × Super Sentai: Super Hero Taisen and Crayon Shin-chan: The Storm Called!: Me and the Space Princess. The special also commemorates the 20th anniversary of the Shin-chan film series. This is the second time the Kamen Rider Series has crossed over with Crayon Shin-chan, the first time was with Kamen Rider Den-O in Kamen Rider Den-O + Shin-O.
