George and Harold, and their doubles, Yesterday George and Yesterday Harold, have a good thing going. Two of them go to school, while the other two hide in the tree house playing video games -- then they switch! But when gym teacher Mr. Meaner uses mind-control to create obedient, perfect robot children, the future of humanity is in their hands!
Hack and Whack are on the attack! This time there's a dispute with a grouchy neighbour Grunt the Berserker. Hack and Whacks parents are as proud as ever of their awful children. The Viking Village is in uproar over Bitey Bitey the twins' thieving dog .
When the evil Turbo Toilet 2000 was defeated, George and Harold thought their toilet troubles were over. Unfortunately, their problems were only beginning... Join Captain Underpants for another epic showdown of Wedgie Power vs. Potty Power.