'Jackass' star Johnny Knoxville joins the 'Ridiculousness' crew to see what happens when bad ideas turn worse, wild beasts get freaky, and kids end up in the wrong place at the wrong time.

Rob’s former co-star Big Black joins the panel, breaking down Makeshift Thrill Rides, Bieber Hair, and Coming in Hot. See how human scorpions sting in a whole different way than the spider that attacks an innocent dad.

Extreme stuntman Travis Pastrana visits the studio to help Rob and the gang show off the craziest animals and baddest whiskey throttles on the web.

Action sports personality The Dingo hangs out with Rob and the gang to watch some web videos of worst case scenarios and costly crashes.

The 'Ridiculousness' crew watches the most painful karate mishaps on the web, and learns what it truly means to ride dirty.

The 'Ridiculousness' family welcomes special guest/extreme television producer Jeff Tremaine to help share web videos featuring the hardest slams and worst friends out there.

Skater Matt Schlager is a guest. Clips of "Man-kinis" and "Dodging Bullets" are featured.

Rob's cousin Drama helps Rob break down Family Dysfunction, Your Friend's a Dick, and Little Rollers. Credit Cards compete for pain against Popsicles. And learn whether Parkour is an art or just some Aggressive Running.

Bull rider Judd Leffew schools Chanel on whether bulls get dizzy when Rob breaks down A Bunch of Bull and Angry Animals. Watch fools compete in the Ridiculousness Decathlon. And a whole lot of people get Dunked.

Caite Upton joins Steelo once again as Rob shows off S**t Whips and Redneck Good Times. A lot of people blow out their money-makers in De-Faced. Biker Fox joins the panel for some fun in spandex and scrapes in Biker Down.

The 'Ridiculousness' gang welcomes a world-class unicyclist, and everyone gets a taste of some of the web's wildest worst-case scenarios and band practice mishaps.

The late Ryan Dunn, daredevil and former 'Jackass' star, joins the 'Ridiculousness' gang as they take a look at the latest bunch of wacky web videos.

Rob invites his favorite Youtube dancer to the set, and the 'Ridiculousness' gang finds out what happens when average joes go up against household electronics and Mother Nature.

The Dingo is back! Laugh as a whole lot of people have a Tough Day on the Job, find out if You're Too Old For That, and who's Almost Awesome. Rob breaks down Skiers vs. Snowboarders. Shoes go flying off in Shoe Down.

Big Black is back for the 'Ridiculousness' season finale, and the gang watches hilarious vids of people fighting gainst gravity and snow.