I was not able to catch this episode because of a family engagement but got these captures from the usual Japanese forum. http://dec.2chan.net/18/res/14137627.htm
Basco and Wolzard Fire gets the legend powers of Changeman (judging from the outfit, we don't see his face)
OhPink offers her legend power to Marvelous, he refuses.
Basco with his 9 Extra Hero clones
Gai became Go-On Wing combo
Gokai Silver Super Mode takes down two
Wolzard and Zuuban become huge
Gai finishes off Wolzard Fire and Zuuban
The Gokaiger summon Ohranger's cannon
Gai manages to gain all 9 keys.
Next Episode (32)...
Gokai Red as Mask Red
Gokaiger as Kakuranger
Gokaiger as JAKQ
Gai and Don work on the buster and the other four become Changeman (FINALLY... sort of) and Gekiranger. The final pictures are from Toei.co.jp/tv/