Cam is in need of the data disc for the Tsunami Cycles, which Dustin had last, all unaware that it's not only landed in the hands of the evil Thunder Rangers, but has been used to give them their own Cycles! This leads to the first confrontation between the Wind and Thunder Rangers, and as if our heroes didn't have it bad enough, they also face Zurgane! When the Thunder Rangers unveil their own Zords, can our heroes' own Zords withstand their awesome power?