Kikai Sentai Zenkaiger Episode 15!: "Gachoon! Sharp Turn into Retro!"
Air Date - June 13
Director - Shojiro Nakazawa
Screenplay - Junko Komura
"Retro, it's an Old Power. Retro, it's an Adventure into Unknown. Retro, it's the proof of Nostalgia! Retro Sentai Zenkaiger!! (?)" (The lines are derived from Magiranger's opening line).
Ah... everything's nostalgic. The town has been turned into Retro. Kaito Goshikida (Zenkaizer) & friends explore the past. This time it's Yatsude Goshikida's turn!?
Yatsude, a grandmother who knows everything about Retro, and a boy named Ryo who is feeling lonely. When both meet, the Ultimate Retro Adventure begins!
Before the world was turned into Retro, Yatsude tries to speak with Ryo, who was thinking of entering Sweets Cafe 'Colorful'. But didn't yet. He had recently moved in and he is not used to the town and also people.
Meanwhile, Retro Warudo appears and he turns everything around him to Retro.
Kaito & Zocks Goldtsuiker (Twokaizer) & others try to fight against him. But everyone gets transformed into Retro clothes because of Retro Warudo's Retro Wave.
Initially, people were enjoying the Retro world. But after a while, they get depressed with the thought "Those days were the good days...".
Both Zenkai-Oh JuraGaon and Twokai-Oh Cutanner will team up to fight against Dai-Retro Warudo.