Kikai Sentai Zenkaiger Spin-Off: Zenkai Red Great Introduction(2021)

Kikai Sentai Zenkaiger Spin-Off: Zenkai Red Great Introduction is a web series set within the Zenkaiger universe. The story takes place after the feature film Red Battle! All Sentai Rally!! and before the seventh episode of the main series. This special introduces a red-colored Zenkaizer, created to commemorate White Day in Japan. The spin-off expands the mythology of the robot-themed Super Sentai franchise while maintaining continuity with the broader narrative arc. Fans of Zenkaiger will find this a brief but essential bridge between major story beats, offering new character moments and action sequences that deepen the world established in the primary series.