Crayon Shin-chan
The special crossover episode Kamen Rider Den-O + Shin-O aired in 2007 to promote the Kamen Rider Den-O movie. A second special series was aired in April 2012 featuring Shin-chan and Kamen Rider Fourze to not only promote Crayon Shin-chan: The Storm Called!: Me and the Space Princess, but also Kamen Rider × Super Sentai: Super Hero Taisen.