Who Can Blow The Biggest Fart? Kenny vs. Spenny : Season 4 Episode 2

Armed with gas masks the crew is forced to record perhaps the smelliest competition to date. Kenny, the fart-maestro, is shocked to find out that Spenny's gas-inducing diet is making him competitive. So, Kenny must dig deep to into his bag of tricks (and bowels) in order to win this methane-filled contest.