Book is in French George and Harold thought they were done with boogers. Their new pet, Sulu the bionic hamster, defeated the disgusting Biocrotte Dené, and Louis Labrecque became himself again (well, almost!) thanks to the wonders of science. It looks like their latest adventure has a happy ending...with one exception (three, in fact): the ridiculous robotic boogers. George, Harold and their friends are now on the run - with the robotic boogers in pursuit! In this epic adventure that will take you across time and space, only Captain Underpants will be able to defeat these snotty and slimy adversaries.