Retro, it's a sacred power... Retro, it's an adventure into the unknown... Retro, it's a proof of nostalgia! Retro Sentai... All-outgerr?! Ah, this takes us back... The city has become all retro, and the Zenkaigers get a sudden blast from the past. Not to mention, is this where Yatsude makes her debut? Kaito's grandmother turns out to be extremely retro, as the others encounter a lonely boy who goes by "Ryo". It's said when two people meet in a retro world, the most retro adventure ever begins. (Source: powerrangers.fandom)