The guys compete to see who can drink more beer - and puking means disqualification! Since Spenny's a much more experienced boozer, he's sure he has this one in the bag.

When Kenny and Spenny see who can go longer without wearing any clothes, Spenny tries to overcome his shame of being naked, while Kenny goes all-out in a bid to maximize his friend's embarrassment and discomfort.

When Kenny and Spenny go head-to-head in a series of mini-competitions to see who has the biggest balls, Kenny goes beyond the usual crazy stunts, trying to psyche Spenny out, by trying to expose him as a whining bitch.

The boys each get to entertain a group of elderly ladies, who will then vote on whom they like better. Spenny tries to make the seniors feel loved and appreciated, while Kenny tugs on their heartstrings by conning them.

The guys compete in a torturous endurance dance marathon. Kenny has a diabolical plan that will leave Spenny paranoid,confused and humiliated.

The rules are simple: the first guy to say a word loses; grunting is allowed. Spenny tries to take advantage of the fact that Kenny talks in his sleep. Can Kenny abuse Spenny without talking?

Spenny's strategy is to return to his stand-up comedy roots. Meanwhile, Kenny, realizing the epic nature of the competition, decides to pull out all the stops, and pulls off the meanest practical joke he has ever perpetrated on Spenny.

Kenny uses deception in an attempt to slime as many kisses as humanly possible. Spenny paranoid of catching herpes, uses a direct and honest approach to get women to kiss him.

Kenny and Spenny square off to see who can sell more bibles. Kenny has a brilliant plan to teach Spenny a moral biblical lesson that he will never forget.

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?

In a total reversal of Kenny's behavior, the guys compete to see who can go longer without being mean to the other. Kenny attempts to overwhelm his best friend with a highly suspicious onslaught of love and caring.

The boys compete to see who can break the better news story. Spenny goes on a journey into his own personal heart of darkness. Kenny, meanwhile, tries to generate some of his own news by staging a tabloid media hoax.

Spenny, who doesn't know much about rap, uses the opportunity to put out an educational message through his music. Kenny uses Spenny's ignorance of rap music against him, rapping his way to the final showdown.