On a special episode of Major Key-diculousness, DJ Khaled teaches Rob, Chanel and Sterling how to be "Grateful," how to avoid "They" and how to get "Lost at Ski."
Rapper Post Malone joins Rob, Chanel, and Steelo to ball with some "Really White Iversons," get messy with the category "Saucin’ on You" and show off some "Knuckle Tats."
Rapper Big Baby D.R.A.M. joins Rob, Chanel, and Steelo to get into some "Bad Brocolli," learn how to speak "Unclish" and fend off a few "Urban Predators."
Rob, Chanel and Sterling are joined by none other than Rob’s dad, Gene Dyrdek who teaches the gang about "The Power of Magnets," that it’s "Never Too Late" and the mysterious "Grey Gunners."
Radio and TV star Charlamagne Tha God joins Rob, Chanel, and Steelo to "Put Some Respeck on My Name," call out the "Donkeys of the Day" and realize some people are just "Dildo Dumb."
Rob, Chanel and Steelo take a vacation to "Lake Painatonka," catch the quick hands in "Grabbies" and watch some unsuspecting people get "Effed From Behind."
Singer-songwriter Jessie J joins Rob, Steelo, and Chanel to learn how to "Do It Like a Dude," hear some harsh truths in "Mom-Splaining" and watch the bodies slam in "Bang Bang."
Hip hop star Vic Mensa joins Rob, Chanel and Steelo to check out some close calls in "Still Alive," learn creative ways to "Save More Money" and get extra strange with "A Lot Going On."
Grammy Award-winning duo The Chainsmokers join Rob, Chanel and Steelo to cringe at some "Biters," ride "Stolen Mattresses" and marvel at the magic of real life "Teleporters."
Teyana Taylor joins Rob, Steelo and Chanel to pay tribute to "Kid Nappers," tell us about "Birthday Assassins," and what it’s like to be in a "Lust Bubble."
Motivational speaker Michael Crossland joins Rob, Steelo and Chanel to teach us the "Crossland Method," show us what it means when your dog is "Cross-Bred" and visit the "Field of Nightmares."
Rob, Chanel and Steelo enter the "Snack Zone," learn the dangers of hiring "Budget Babysitters" and root on reckless golf cart drivers in "Country Club Drift."
Talk show host Steve Wilkos joins Rob, Chanel and Steelo to check out some "Surprise Titties," call "Stevecurity" and watch the "Highest Rated Category Ever."
Jackass legend Danger Ehren teaches Rob, Steelo and Chanel the pain of "Getting Donkey’d," how to avoid "Dental Danger" and get adorable with some "Whiskey Pets."
Music producer Clinton Sparks teaches Rob, Chanel, and Steelo how to make budget beats with "Sparks of Genius," get cultured with some "Massholes" and cause some serious mom damage with "Mama Trauma."
Rob, Steelo, and Chanel are joined by BMX legend Jamie Bestwick to experience some serious "Vert Hurt," keep kids in their place with "Youth Slayers" and get over-caffeinated with "Rothrocked."
On the Season 9 premiere of Ridiculousness, Rob, Chanel and Steelo get "Cropped Out," take a trip to their local "Hell Mart" and enjoy some delicious "Pumpkin Spice."