WARNING:This series contains scenes of graphic violence, mutilation, gore and blood. Viewer discretion is advised!
Rider Time: Kamen Rider Zi-O VS Decade -7 of Zi-O!- (RIDER TIME 仮面ライダージオウ VS ディケイド -7人のジオウ！-,Raidā Taimu: Kamen Raidā Ji-Ō Tai Dikeido -Nana-Nin no Ji-Ō-) is the fourth installment of the Kamen Rider Zi-O Spin-off series that focuses on Sougo Tokiwa.
The world is ravaged by ravenous monsters and high school students have to fortify themselves in school buildings in order to survive. Various Sougo Tokiwa from different schools, who all can transform into Kamen Rider Zi-O, encounter and fight each other to unveil the true secret of this mysterious situation.
After a trailer that contained a Tsukasa Kadoya subliminal message premiered on October 31st, it was announced at the end of An episode of Kamen Rider Blades (a Kamen Rider Saber spin-off episode on TELASA), that a new collaboration between TELASA and Toei Tokusatsu Fan Club will be new episodes for Kamen Rider Zi-O's spin-off, Rider Time. They both premiered on February 9, 2021, but this one will air on TELASA while the other on TTFC.
Although Woz appears in this special, he does not transform into Kamen Rider Woz for the entirety of the special.