The kids have to face the 4th grade, and they're not too happy about it. Cartman cooks up a scheme to go back in time to return to the 3rd grade where things were fun and easy. Two geeks help them rig Timmy's wheelchair into a working time machine and send Timmy on the trip of his life! false 2015-12-30 02:32:56 7.3 2000 22 /mnt/magadi_3T/Videos/Séries/South Park (1992)/Season 4/South Park - S04E11 - Fourth Grade-thumb.jpg 11 4 2000-11-08 https://artworks.thetvdb.com/banners/episodes/75897/179597.jpg