Whether skateboarding while blindfolded, boxing while on stilts, or donning a beard of leeches, Johnny Knoxville and his buttheaded buddies were always clever about being stupid. Well, not always — sometimes they just nailed each other in the nether regions. But that was pretty hysterical too.
Best season: 1 BMX jousting! Poo-close-for-comfort antics! Steve-O regurgitates a goldfish — and it's still alive!