Joe, Sal, Q, and Murr paint themselves into a corner teaching an art class, face the dartboard of destiny at a local bar, and tonight's loser stresses out over a Joker home invasion.

Rosie O'Donnell makes a surprise visit. Also: bowling-alley patrons get pranked; and diners are forced-fed.

Sal, Murr, Q and Joe have dared one another to do the most ridiculous, humiliating public pranks imaginable.

The guys revive some classic jokes at their own expense; they go head-to-head debating nonsense in a humiliating elimination challenge.

The pranksters share shameful secrets in the park, don headsets at a fast food drive through, and ask unsuspecting strangers to dance.

The guys lose sight of social etiquette with strangers in the park, present disastrous timeshare opportunities to future vacationers, and get sneaky with people's pockets in the grocery store.

The guys mouth off to patients in a dentist's office, toss popcorn at movie goers in a theater, and take photos for their outrageous blogs in a public park.

Murr, Joe, Sal and Q get creative with their French fries at the mall food court, and compete to see whose ridiculous invention will win over a focus group. Then, the guys head to the Jersey Shore to serve up some embarrassment at a beachside burger joint.

The pranksters spotlight the importance of office safety and try online dating using embarrassing profiles.

The pranksters attempt to stifle their laughter during humorous presentations; Q turns the tables when the others gang up on him.

The guys compete to stay undetected in a high flying challenge, force each other to do absurd tasks at a music store, and try to get a compliment on some not-so stylish outfits.

The guys polish their skills as manicurists in an unsuspecting nail salon, get touchy feely with patrons in a comic book store, and race through the aisles of a grocery store.

The pranksters get help from strangers in their quest to find imaginary places. Also: a search for a house sitter.

The joker's advertise terrible ideas to a bunch of agency professionals, work as custodians at a mall food court and test themselves with the terrifying wheel of doom.

The pranksters visit a foot doctor and seek assistance as they bury items in the park. Later, they engage in a race at a supermarket.

The guys blindly follow each other's humiliating directions at a water park, compete to sell their ridiculous book ideas, and try to convince unknowing strangers to save their seats in Times Square.

The pranksters prove insensitive while conducting a sensitivity training class, have surprise celebrity encounters on the street and try being unreceptive receptionists in a busy office.

The pranksters dumbfound focus groups with lackluster inventions, use park goers as pillows for a nap, and persuade grocery store shoppers to reconsider their original selections.

The guys teach a dance class, attempt to sell tickets to Broadway plays and demand a rematch in sudden death debates.

The friends face off in a series of challenges including giving palm readings and manicures.

The pranksters ask mall shoppers to settle some senseless debates, scream for ice cream in a sweetshop, and protest offbeat causes in a park.

The guys endure a shakedown at a discount store, test fate with the ''Wheel of Doom'' and attempt to become Hibachi chefs.

The pranksters see how far they can go as optometrists, give unsound financial advice and push outlandish political ideas in an attempt to snag votes.

The guys host a taste test with uncomfortable survey questions afterward, negotiate for worthless items at a flea market and work as attendants at a gas station.

The guys get eaten alive leading a business luncheon, and trip over their own feet selling running shoes.