Sony Pictures has announced that the 眼镜蛇 Kai Season 4 DVD set will include deleted scenes, a blooper reel, and a Karate Dad featurette. This DVD will be available on September 13, 2022.
Zabka spoke on a virtual panel for Emmy voters about 眼镜蛇 Kai Season 3. He suggested which character may have instigated the whole decades-long saga. Cheat Sheet, 8 July 2021.