Season 2, Episode 21
Greener-man vs Polluter
September 17, 2011
22m minutes
Overview
Carl, Porter and Serge aren't having much fun when Principal Malone assigns them to perform as the school's "enviro-friendly mascots". But with a Magic Nod from Porter, things get more exciting - that is, until Carl and Porter discover that Serge has been accidentally transformed into a super-villain, 'Polluter'.