Found this at /m/:
Episodes are called "Islands"
Kaizoku Sentai Gokaiger in February
Island 1 - "Let's Fight!"
The Gokaiger were Captain Marvelous, Joe Gibken, and Luca Millefi. Their ship was in disrepair and they needed money. The three young pirates make the mistake of kidnapping the young princess Aim de Famille for ransom and soon have an entire galaxy after them. Don Dockoiyer, Aim's childhood friend, follows the rangers, who have heard of something called "the greatest treasure in all of space" on an out of the way planet known as earth. On earth, Marvelous finds a treasure map.
Island 3 - "Enemies of All"
The Gokaiger move on and learn why the Go-Onger had teamed up with the Zangyaku. "Super Sentai are the enemies of peace!" declares a poster with a picture of the Gokaiger trio. The various Super Sentai teams have gone into hiding and some are working with the Zangyaku to keep themselves safe and keep a close eye on this strange new threat.
Island 4 - "Magi Circus' Majestic Spell"
Magiranger Island seems strange, but things soon grow ever stranger when they learn the Magirangers have disappeared. Doc travels the island and discovers the great Sibling Traveling Circus.