You Know What Happens if You Pee on a Worm Gintama : Season 1 Episode 42
TV-14 TV Tokyo 25m
Aired: February 8th, 2007 @ 1:30 AM EST on TV Tokyo
Gintoki, along with Umibouzu, goes to combat the alien; while at the same time avoiding the Shogunate's side of attack (on the alien).
