Kikai Sentai Zenkaiger Episode 7

Stacey, a young man who called Barashitara his father, appears. Just what is his purpose here? Just then, he quickly attacks the Zenkaigers. Gaon is confused in the midst of a battle fighting an opponent he can't tell is a human or a Kikainoid. With this unexpected appearance of rivals, and a conflict among friends, just what kind of choice will Kaito make? Also, several legendary Sentai factions appear, including their signature mecha. Then, in the midst of their intense conflict, Stacey unleashes his inner darkness and transforms into the dreaded StaCaesar. Just what does he fight for? (Source: powerrangers.fandom)