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Hosts John Cena and Nicole Byer follow three rounds and three stages of obstacles that challenge the contestants further and drain their stamina.

An award-winning model and her MMA fighter husband take on the challenges.

The Jokers decide to wear Bluetooth earpieces to complete a challenge; the crew talks about how they find participants for the focus groups.

The Jokers look back on which prank they've played five times throughout the history of the show; how Murr and the crew caught poison ivy gets revealed.

The Jokers look back on which prank they've played five times throughout the history of the show; how Murr and the crew caught poison ivy gets revealed.

The Jokers reveal which entrepreneur ignited a fashion debate within the group; Joe talks about when he first started nosing people.

Outrageous video clips of some of the world's dumbest criminals are presented, with commentary from celebrities who have some experience with the law.

Outrageous video clips of some of the world's dumbest criminals are presented, with commentary from celebrities who have some experience with the law.

Featuring everything from drunk tank strippers to a DUI Bridezilla and featuring unfortunate folks whose party has come abruptly to an end.

Video clips of the world's most outrageous practical jokes are presented, including a skydiving stunt that makes a grown man cry and a sickening striptease.

A celebrity panel provides comical commentary on the world's dumbest competitions, featuring donkey racing, tuna throwing, toe wrestling and more.

Videos of dumb criminals include a candy-shop burglar, a mother's cat being held for ransom and a thief trying to cash a stolen check for $360 billion.

A panel views sheep riding, river rafting with a blow-up doll, cars pulled with male body parts, a beauty pageant for female inmates & more.

The driver of a limousine attempts to evade police by driving in reverse; a police officer arrests a judge for driving while intoxicated.

Featured are outlandish video clips of competitions, and the footage includes unicycle football, geriatric scooter races, bra fastening and more.

Jokers report crimes and disrupt mealtimes, and one Joker has to shed light on something or someone important to complete his punishment.

Upon returning to his home town in Tennessee, a wrestler finds himself a victim of corruption, and counteracts by running against a dishonest man for sheriff.

An insurance salesman slowly comes to realize he and his fellow train passengers are threatened by a deadly criminal conspiracy he has become involved in.

One the best boxing matches of 2007 picked by HBO Sports is shown in its entirety featuring Miguel Cotto of Puerto Rico and "Sugar" Shane Mosley.

World heavyweight title champion Wladimir Klitschko (51-3-0) has won nine in a row; Hasim Rahman (45-6-2) had a no-contest result against James Toney.

Television host Dick Cavett and boxing legend Muhammad Ali share an unexpected bond that spans over 50 years, which includes several controversies.

World heavyweight title champion Wladimir Klitschko (51-3-0) has won nine in a row; Hasim Rahman (45-6-2) had a no-contest result against James Toney.

Spencer learns that his plan to bring a sports team to Las Vegas is under threat of failing; Ricky finds himself at a personal and professional conundrum.

Spencer and Joe receive last-minute assistance in their attempt to earn the favor of various team owners; Ricky plans a new future after some soul-searching.

The reason hair dryers got banned is shown, and a behind-the-scenes look at a moment that's become a classic occurs; Murr's "blankie" ends up on the show.

A behind-the-scenes look at what item has become a signature part of Q's wardrobe is shown; the best dancer out of the Jokers gets revealed.

The crew witnesses a spur-of-the-moment act of kindness; the Jokers discuss a word that they are responsible for in Urban Dictionary.

As part of its ongoing crime-fighting mission, truTV Presents brings you 20 more of the dumbest lawbreakers on the planet.

See 20 of the dumbest partiers on the planet. Grandmas doing keg-stands, karaoke singers unable to belt out the ABC's, and Aussies shooting fireworks.