Kenny and Spenny compete to see who gets a boner first. They both put on speedos and throw whatever tactic they can at each other. Spenny brings his cousin Bianca in a bikini to Kenny's room and try to arouse him while Kenny tries to get Spenny so frustrated that the blood rushes to his genitals. That fails but Kenny gets an injection that stops him from getting a boner for a week.

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.

The guys each make a series of videos and must choose one to put online. The most popular video wins. Kenny, the more Internet savvy of the two, makes an eclectic series of shocking videos dealing with: 9/11, terrorists, pranks, and celebrity spoofs. Spenny, who thinks viral videos are generally idiotic, disregards his personal opinion and does everything in his power to defeat Kenny including consuming excrement

Hold on to your stomachs for an all-you-can-eat carnivorous bloat fest: whichever guy eats more meat is the winner. Kenny, a pig by definition, summons the gluttonous gods and gorges like never before, while Spenny chooses the more methodical approach of eating, exercising, resting and moving his bowels.

Wearing white body suits, the boys put themselves through numerous high-rish stain situations in an effort to stay as stain-free as possible. After a few false starts, Kenny's character is more stained than the guys' suits.

The boys are each tethered to a live goat. The first one to break the bond loses. Kenny, who wants to have fun with his goat, cleverly uses an extremely long rope in hopes that Spenny will be stuck taking care of both goats. Spenny tries his best to toilet train his goat and keep him smelling as pleasant as possible. Though it's not easy, the goat is still a better roommate than Kenny.

Whoever can take the most pain wins. Spenny, in order to get motivated, dedicates his performance to his late father, while Kenny becomes not only a competition participant but also the torturer.

Just in time for your Christmas caroling, the first one to stop singing loses in this surprisingly grueling competition. Kenny explores various musical genres while creating a fictitious and hideously slanderous version of Spenny's family tree. Spenny decides to get motivated by singing for charity, trying to raise money to buy a piano for a community center.

The guys put on 80 pound weights, and the first one to take them off loses.

Possessing a natural criminal mind, Kenny tries to break every law in the book, while Spenny tries to commit politically correct crimes and unleash his inner criminal.

Armed with diapers and no dignity, the boys revisit infancy to see who can keep a dump in their diaper the longest. Spenny is prepared for the worst forcing Kenny to have to think way outside the box to win this mega-stinky stinky competition.

Eight women spend some sexy time with Kenny and Spenny who do everything in their power to get as much sex as possible off them. Spenny's arousal theory is put to the test while the ever confident Kenny is more focused on what he hopes would be Spenny's worst humiliation to date.

In perhaps the silliest competition to date - if that's even possible - the dysfunctional duo wear hot and itchy gorilla suits in the middle of summer - the first one to take off any part of the costume is the loser. Spenny's strategy is to ignore the costume and be himself while raising awareness of the fate of the mountain gorilla, while Kenny devolves, finding his inner gorilla, and does his best to put gorilla Spenny into extinction.

Literally going on the offensive, the guys hit the streets to see who can piss-off more people. Spenny, a self-proclaimed nice guy, in order to cope, transforms himself physically to remain anonymous and enlists a jerky friend to help him, while Kenny, tired of the abuse from the people he's pissing off, decides to go big and piss people off on mass.

Kenny and Spenny must figure out a way to live without touching the ground, Kenny uses a loaf of rye bread, bad riddles and his inner super-villain in an attempt to spoil Spenny's rare master plan.

The boys enter the wacky world of professional wrestling as each is paired with a professional wrestler and must design a match to be judged. Spenny, a life-long wrestling fanatic, lives out his fantasy learning all his favorite wrestling moves, while Kenny creates a wrestling persona that makes George the Animal Steele look well-adjusted.

Let's pray for peace as a drill sergeant moves in with Kenny and Spenny to see who will make the best soldier. Kenny, a self -proclaimed war hero, wants to show the sergeant that he can be shaped into a killing machine, while Spenny finds out that military service isn't as noble as he thought.

Get your bagels, lox and cream cheese as Kenny and Spenny compete to see who the better Jew is. Kenny, who speaks Hebrew, thinks the competition will be a kosher cake-walk as Spenny, who was raised in a secular home, uses an orthodox rabbi to cram his Jewishness and make up for lost time.

The guys each spend a day with three physically disabled people and they vote for the guy they like best. Spenny, trying not to make his past mistake of being too serious, tempers the political aspects of his strategy by trying to show the handicapped a good time. Kenny, with a counter-intuitive strategy, does his best to be mean to his disabled guests.

Fatties are sparked as Kenny and Spenny see who can smoke the most weed. All strategies are out the window as the pressures of competing and doing a television show while puffing copious amounts of killer bud become too much to bare. Whoa.

The boys will be strapped to each other in the 69 position -- the first guy to unstrap himself loses. With almost zero mobility the crew gets bored with them and the competition takes some unexpected turns.

In this Competition the Boys have to try to get as much fun with the twins as possible. Will Kenny cheat once again or will he just show us what a ladiesman he truly is?

The guys wear chicken cages with live chickens on their heads in this most unusual endurance competition. Kenny's strategy precipitates arguments about who is smarter and the contest takes an academic turn that will ultimately decide the winner.

The boys compete in order to determine who can get further sexually with the other guy's mom. Spenny resorts to various methods of seduction and groping, while Kenny wines and dines Spenny's mom.

The boys have their ballsiest battle yet competing to see who can beat the other one up using only their penises in the legendary cocktagon. Although Spenny lacks the size to compete effectively, he works it using martial art like techniques. Meanwhile, Kenny uses explosive robotic technology.