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.

It's Spenny's turn to pick a competition but Kenny has his own ideas of how things will progress. In this very rare behind-the-scenes episode, Kenny's megalomania materializes in the form of a Roman Emperor, while Spenny just wants to get on with it and do a simple sports competition.

Judged by a professional porn producer, the guys compete to see who can make a better porno movie. Spenny decides to recreate an unfulfilled teenage fantasy, while Kenny decides to star in his own production, producing the first sketch comedy porno ever made.

Formal wear, swimsuits, talent and personality will all be put to the test as one of the boys gets to wear the tiara. Taking the superficial route, Kenny makes himself as gorgeous as possible, while Spenny hopelessly learns to tap dance.

Kenny and Spenny go back to one of their oldest childhood competitions and decide to race rodents. Will Kenny's rat-like tendencies help him win, or will Spenny's disciplined coaching lead his rat to victory?

The boys risk heart attacks and fainting spells to see who can lose the most weight in 72 hours. Laxatives, starvation, sweating, colonics, spitting and dehydration are just a few strategies of this epic contest. Do not try this at home!

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 boys, in full drag, host a ladies-night-out cocktail party at the house. The real women will choose which one has transformed himself into the most convincing woman: Will it be Kendra, the slutty party girl, or Spennita, the career woman, who wants it all.

Kenny and Spenny each go on a date with the same gay man, who will decide whom he likes better. Spenny decides that he will do anything to win, while Kenny does everything in his power to make Spenny look like a scumbag.

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.

Dairy cows don’t like being mounted and they can run faster than most people. Will Kenny’s bag of dirty tricks help him to stay on his cow longer than Spenny? The boys risk life and limb and learn more than they ever wanted to know about cow dung.

Kenny, who knows he’s stronger, offers up his sister Miriam to compete in a bench press competition. Spenny takes the challenge not fully realizing that if he loses to Kenny’s sister, it will be the most humiliating defeat he’s ever suffered.

The boys don g-strings and take to the poles to see who will make the better male stripper. Kenny’s devious plot makes his own Tarzan routine obsolete and puts Spenny’s stripping nerd character on the brink.

The boys write and perform their own original song. Spenny embraces his childhood fantasy and forms a rock band while Kenny tries to con the judges by conducting a full children’s choir as they perform perhaps the cheesiest song ever written.

This competition degenerates into a philosophical argument about what it means to stand. Is Kenny actually standing in his vertical sleeping bag apparatus or has he just managed to outsmart Spenny?

Kenny and Spenny get various psychiatric evaluations to see who is the sanest. Will Spenny’s paranoia and neurosis cost him victory, or will the head-shrinkers see thorough Kenny’s con-man ways giving Spenny victory?