E1 - Justin Bieber

Aired: April 30, 2012

Justin Bieber stops by the set to show off some of his Canadian pride, learn about Humanimals and what Popcorning is really all about.

E2 - Floyd Mayweather

Aired: May 07, 2012

Floyd Mayweather visits the Ridiculousness studio where Rob shows him what a Pain Face looks like. They'll also endure some Romantic Injuries and learn How Not To Train.

E3 - Sara Jean Underwood

Aired: May 14, 2012

Former "PMOY", Sara Jean Underwood, visits the Ridiculousness set, where Rob shows off his Fear Face and they talk about how Cats are Weird.

E4 - Quinton ''Rampage'' Jackson

Aired: May 21, 2012

UFC championship fighter, Quinton "Rampage" Jackson, shows his wolf battle cry and what really sets off his Hot Button. Rob also shows videos of Crappy Endings and what it's like to get Slampaged.

E5 - Duff Goldman

Aired: May 28, 2012

"Ace of Cakes" star chef, Duff Goldman, stops by set with a scorpion cake and we see some of his Unnecessary Costumes. He and Rob also show videos of Grand Entrances and Ghost Holes.

E6 - Jason Ellis

Aired: June 07, 2012

Australian-born actor and radio personality, Jason Ellis, shows us he is an expert at Showing Off Gone Wrong when the introduction of Tramp Stamp videos earns him a surprise payback from Chanel.

E7 - Chanel and Sterling

Aired: June 07, 2012

The original 'Ridiculousness' trio watch clips of random tackles and animals seeking revenge, and Chanel swaps places with Rob for some redneck good times.

E8 - Streetbike Tommy

Aired: June 14, 2012

'Nitro Circus' stunt warrior Street Bike Tommy joins the 'Ridiculousness' gang to watch the wildest whisky throttles and gutsiest big dudes on the web.

E9 - Lil Jon

Aired: August 20, 2012

Lil Jon and Rob enjoy the "Yeah" category inspired by the rapper, watch videos of Dancing Animals, unintentional Body Shots, and people getting Fenced.

E10 - Tyler and Taco

Aired: August 27, 2012

Tyler, the Creator and Loiter Squad co-star, Taco, visit the set of Ridiculousness and learn about Sloppy Finishes and Faceballs.

E11 - Wiz Khalifa

Aired: September 03, 2012

Rapper, Wiz Khalifa, guest stars where he'll discuss with Rob why Grass Is Your Friend and the joys of Human Magnets. The fan favorite, Makeshift Thrill Rides, returns to the show.

E12 - Kat Graham

Aired: September 10, 2012

Actress and musical artist, Kat Graham, shows us some of her big moments of One Liners and how to dance on stage with one shoe. Rob also shows videos of her Magical Spells.

E13 - Vaughn Gittin, Jr.

Aired: September 17, 2012

Drift racing super-star, Vaughn Gittin, Jr., reunites with Rob to watch videos featuring Faulty Equipment and High Speed Chaos. Rob introduces instant classic categories such as Flailers and Stunt Dummies.

E14 - Chris Cole

Aired: September 24, 2012

Rob shows the audience how to Escape Your Pain while friend and pro championship skater, Chris Cole, learns what it's like to be in the Hot Seat.

E15 - Scott "Big Cat" Pfaff

Aired: October 01, 2012

Rob's cousin and Fantasy Factory co-star, Scott Pfaff (AKA Big Cat), comes to the studio so he and Rob can demonstrate why Birds Are Dicks and how to Get Froggy.

E16 - Bella Twins

Aired: October 08, 2012

Guest stars WWE Twin Divas, Nicole and Brianna, stop by the Ridiculousness set to show us some of their Backyard Wrestling moves and how to make the perfect Pain Angel.

E17 - Chanel and Sterling II

Aired: October 15, 2012

Sterling and Chanel help the host break down clips of outrageous viral videos.

E18 - TJ Lavin

Aired: October 22, 2012

BMX rider and MTV host, TJ Lavin, stops by to learn about Flinstoning, Shirtless Manplay, and Animal Prodigies.

E19 - Rob's Parents

Aired: October 29, 2012

Rob's parents, Patty and Gene Dyrdek, come by set to watch videos revisiting their children's Pranks, Sibling Rivalry, and some of Rob's best childhood moments.

E20 - Wee Man and Preston Lacy

Aired: November 05, 2012

To honor the season finale of Ridiculousness, Wee-Man and Preston Lacy take to the couch to watch and celebrate upon all the other jackasses in the world.