S4 - Fourth Grade

South Park Zone
South Park - Season 4 - Episode 412 - Fourth Grade
Watch South Park Fourth Grade online

About this South Park episode:
The kids have to face the 4th grade, and they're not too happy about it.
Cartman figures up a scheme to go back in time to return to the 3rd grade where things were fun and easy. Timmy's wheelchair transforms in a time machine and send Timmy on the trip of his life! This is a nice and dynamic South Park episode.