S11E10 - Return of Thunder (2)
Synopsis
Trapped on a mysterious island together, the Wind Rangers are hunted by the brainwashed Thunder Rangers. An unnatural cold front sweeps the planet, eminating from the island. Thanks to the evil spell wearing off, Blake & Hunter appear to be prepared to switch sides again, but when the revived Super Toxipod monster appears and turns one of them bad again, it'll be brother against brother!