Singer Justin Bieber made a visit to the set, expressing his Canadian pride while exploring the world of Humanimals and gaining insight into the concept of Popcorning.

Floyd Mayweather made an appearance at the set of *Ridiculousness*, where Rob Dyrdek demonstrated the nuances of a truly impressive pain face. The episode also featured explorations of romantic disappointments and offered insights into the …

Sara Jean Underwood, formerly of "PMOY," made a visit to the set of *Ridiculousness*. There, Rob showcased his signature Fear Face, and the conversation drifted to the peculiar nature of cats.

UFC champion Quinton "Rampage" Jackson unleashes his signature wolfish war cry, a sound that truly ignites his competitive spirit. The program also features clips from "Crappy Endings," offering a glimpse into the experience of being utterl…

Chef Duff Goldman, renowned from "Ace of Cakes," made a visit to the set, bringing with him a striking scorpion cake and a selection of his signature Unnecessary Costumes. He and Rob also shared video clips showcasing dramatic Grand Entranc…

Australian actor and radio host Jason Ellis finds himself in a predicament when his foray into Tramp Stamp videos results in an unexpected reckoning from Chanel. It appears he has inadvertently demonstrated a talent for situations where boa…

The trio from *Ridiculousness* surveyed a collection of haphazard tackles and instances of creatures exacting retribution, while Chanel playfully exchanged seats with Rob for a taste of rural revelry.

Street Bike Tommy, the daredevil known from Nitro Circus, has joined the ranks of "Ridiculousness" to witness the most astonishing motorcycle stunts and the bravest, most formidable figures online.

Lil Jon and Rob find themselves drawn to a particular brand of online content – videos categorized under "Yeah," a nod to the rapper's energetic persona. Their viewing habits encompass everything from Dancing Animals and the amusingly awkwa…

Tyler, Creator, along with his Loiter Squad companion Taco, made a visit to the set of *Ridiculousness*, where they received an education in the peculiar arts of Sloppy Finishes and Faceballs.

Rapper Wiz Khalifa joins Rob for a conversation about "Grass Is Your Friend" and the allure of Human Magnets. The popular segment, Makeshift Thrill Rides, also returns to the program.

Actress and musician Kat Graham offers glimpses into memorable moments from her One Liners series, demonstrating a captivating stage presence, including the art of dancing with a single shoe. Additionally, Rob shares videos showcasing her e…

Drift racing icon Vaughn Gittin, Jr., joins Rob to review videos from Faulty Equipment and High Speed Chaos. Rob highlights enduringly popular categories like Flailers and Stunt Dummies.

Rob demonstrates techniques for escaping emotional pain, while his friend and professional championship skater, Chris Cole, experiences the pressure of intense scrutiny.

Scott Pfaff, Rob’s cousin and fellow performer at Fantasy Factory – better known as Big Cat – joins them at the studio to illustrate the intricacies of "Birds Are Dicks" and the proper technique for "Getting Froggy."

The WWE's Twin Divas, Nicole and Brianna, made a visit to the set of *Ridiculousness*, sharing demonstrations of their Backyard Wrestling techniques and revealing the secrets to crafting the ideal Pain Angel.

Sterling and Chanel assist the host in dissecting outlandish clips from viral videos.

TJ Lavin, known to many as both a BMX rider and an MTV personality, made a visit to explore the curious worlds of Flinstoning, Shirtless Manplay, and Animal Prodigies.

Patty and Gene Dyrdek, Rob’s parents, arrived on set to watch a collection of videos: glimpses into their children’s past, featuring playful pranks, sibling squabbles, and some of Rob’s most cherished childhood memories.

For the season finale of *Ridiculousness*, Andy Samberg and Chip Sumers settle in to watch and revel in the antics of others.