A girl named Rita who hosts the Super Sentai Strongest Battle once in 500 years. The person who wins gets his wish fulfilled.
Engine Sentai Go-Onger 10 YEARS GRANDPRIX was uploaded on Toei's Official YouTube Channel. Go-Onger come to know that Sentai activities are restricted in the current world by the rule. Their comrade from the past → Saki Royama is now the member of the organization opposing the Go-Onger.