The fall formal is over now it's time for the battle of the bands! Sunset Shimmer discovers a mysterious watch that transforms her into Kamen Rider Zi-O, and meets a strange fortune teller. As she navigates the challenges of Canterlot High and the looming threat of the Dazzlings, Sunset must balance her newfound responsibilities as a time-traveling hero with her desire to protect her friends and all of time itself.

"The Heisei Kamen Riders have passed through this era. It's time to pass that power down to the future. Rejoice at the birth of the new king!"

Arc 1 (Episodes 1-10): Birth of Zi-o
Arc 2 (Episodes 11-??: Dazzlings