Kamen Rider Zi-O: Special Event is stage show of Kamen Rider Zi-O. The stage show was performed live on May 4-5, 2019, and was released on DVD on September 11, 2019.

During the Heian period, Abe no Seimei trains in magic but lacks interest, until a collaboration with Minamoto no Hiromasa arises to solve a strange phenomenon.

Shy outcast Kokoro has been avoiding school for weeks when she discovers a portal in her bedroom mirror. She reaches through and finds herself transported to an enchanting castle where she is joined by six other students. When a girl in a wolf mask explains that they have been invited to play a game, the teens must work together to uncover the mysterious connection that unites them. However, anyone who breaks the rules will be eaten by a wolf.

Keito Myose (Yuya Yagira) and Yuichi Saeki (Masato Yano) were involved in a horrible case when they were young. They are now all grown up, but still suffering from that incident. At night, Keito and Yuichi meet again. A woman who is an acquaintance of Keito is killed in Keito's room. While the police investigates, a detective tells him "... you know Yuichi Saeki is a suspect and is on the country's most wanted list..."

Yatora is the perfect high school student, with good grades and lots of friends. It's an effortless performance, and, ultimately… a dull one. But he wanders into the art room one day, and a lone painting captures his eye, awakening him to a kind of beauty he never knew. Compelled and consumed, he dives in headfirst—and he's about to learn how savage and unforgiving art can be!

Brother and sister are drawn into a thrilling game of survival, in which they use a bizarre device called SCM to turn others into their slaves.

Kuki Fumihiro is a son from a wealthy zaibatsu (conglomerate) family. His father raises him to become pure evil. Kuki kills his father to protect his adopted sister Kaori. Afterward, Kuki disappears. He undergoes plastic surgery and takes the identity of Koichi Shintani. He watches Kaori and faces the great evil that exists within the Kuki family.

Kouta Noda is a 2nd grade high school student at a village. A transfer student, Tendo, from Tokyo becomes Kouta Noda’s classmate. Tendo has a mysterious mood. The two teens becomes friends and spend time having fun, but, one day, one of Kouta's friends disappears. There is a local village legend that one kid will disappear every 100 years.

Kisaragi Maaya, 16 years old. The first love confession of her life ended in complete rejection. She vows to "never confess to someone again" in the presence of the stoic but popular Chigira-kun, while on library duty together one day.