The cast of 'Jersey Shore' braves slaps, punches, and marinara sauce to win cash in The Silent Library.

Featured Challenges:

* Round 1: Back Butter, Susperder Strike, Slapping Machine

* Round 2: Fed Up Groom, Falling Star, Ungrouped Hug

* Round 3: Hitted Show, Smell Good Hurt Bad, Pizza Shoot Off

* Round 4: Bad Door

The guys from the band 3OH!3 face off against exploding turkeys, mouse traps, and dirty mops in the Silent Library.

Featured Challenges:

* Round 1: Face Belly, Baby Back, Big Bird

* Round 2: Uncomfort Ball, Rodent Feet, Number One Food

* Round 3: Mop Head, Private Work Out, Break Fast Bed

* Round 4: Brief Winch

Six WWE superstars get fed up and beaten down as they compete for cash in the Silent Library.

Featured Challenges:

* Round 1: Return Belt, Balled Head, Baby Fish Mouth

* Round 2: Wurst Waitress, Found Meat, Bird Feed

* Round 3: Twister Smack, Melon Fire, Groin Factory

* Round 4: Nipple Race

The guys from the band The Ready Set get into some corny, itchy, and sticky situations in the Silent Library.

Featured Challenges:

* Round 1: Sweet Red Corn, Running Water, School Yard Slap

* Round 2: Not Wanted Greeting, Freedom Meat, Body Rake

* Round 3: Twister Smack, Liver Cone, Gloved Catch

* Round 4: Trapping Glue

Jimmy Fallon and The Roots spend an afternoon trying to survive the challenges inside the Silent Library.

Featured Challenges:

* Round 1: Fish Music, Eat Cake, Face Pizza

* Round 2: Pants Sandwich, Extra Tongue, Castle Jump

* Round 3: Scared Crow, Balled Pedal, Pan Cake Fire

* Round 4: Pedal Pop

Anthony, Llowel, Richard, Bobby, Ronel and Ricardo face explosions, kicks, and flying food in the Silent Library.

Featured Challenges:

* Round 1: Big Bird, Sink Hole, Flied Catch

* Round 2: Smacking Twirl, Propel Face, Licked Pole

* Round 3: Sheep Transfer, Break Fast Bed, Scared Crow

* Round 4: Groin Saw

Anthony, Louis, Perry, Mike, Jason and Eric take on vaccuums, wheels, and volcanoes in the Silent Library.

Featured Challenges:

* Round 1: Face Pizza, Head On Crash, Special Egg

* Round 2: Bad Door, Skid Marks, Bad Knight

* Round 3: Groin Balls, Wait Wheel, Erupt In Rear

* Round 4: Fed Up Animals

Members of the Jungle Boogie Dance crew Raqi, Beejay, Anthony, Twan, Kenneth and Antwain battle through sticky, painful and disgusting challenges.

Featured Challenges:

* Round 1: Eat Cake, Over Pressure, Foot In Mouth

* Round 2: Castle Jump, Unfresh Cow, Ungrouped Hug

* Round 3: Bad Taste Art, Foot Fist Way, Body Treat

* Round 4: Nipple Robot

Travis, Phil, Ian, Anthony, Jimmy and Matt get whipped, shot at, and grossed out in the Silent Library.

Featured Challenges:

* Round 1: Bagel Belly, Run Down, Spun Licorice

* Round 2: Not Hot Meal, Tired Belly, Bad Nose Air

* Round 3: Private Crash, Leaked Garbage, Heads Ping

* Round 4: Drink Problem

Marco, Pat, John, Erick, Mike and Justin challenge the Silent Library.

Featured Challenges:

* Round 1: Foot In Mouth, Change in Weather, Below Belt

* Round 2: Croquet Balls, Carnival Mix Up, Thrown Kiss

* Round 3: Snack Snap, Band Bust, Finger Food

* Round 4: Nipple Robot

Katherine, Katie, Melissa, Caitlyn, Juliana and Kristen take on giant rubber bands, flying water bottles, and gelatin dentures to win cash in Silent Library.

Featured Challenges:

* Round 1: Puffing Jacket, Dental Bob, Foot Face Way

* Round 2: Bad Luck Spin, Shoe Liver, Running Water

* Round 3: Temporary Seal, Rubber Hand, Shared Shake

* Round 4: Out Fit Squeeze

The band "Anarbor", Matt, Nick, Vinny, Jay team up with two friends Dell and Michael in the Silent Library, it takes intense willpower and a strong stomach to win the cash.

Featured Challenges:

* Round 1: Junk In Rear, Flied Catch, Noodle Mop

* Round 2: Unfit, Bad Truck Stop, Cavity Search

* Round 3: Fruit Lady, Fish Suck, Cheap Slot

* Round 4: Corns

Robbee, Paul, James, Tom, Marcus and Josh endure ballerina kicks, bouncy balls and baseball players in the Silent Library.

Featured Challenges:

* Round 1: Diggging Worms, Money Trouble, Finished Plate

* Round 2: Snack Snap, Not Fruit, Smacking Twirl

* Round 3: Hopping Blows, Old Nipples, Bad Door

* Round 4: Gloved Catch

Anthony, Dan, Andre, Nick, Colin and Ian, brush, lick, and duck to win money in the Silent Library.

Featured Challenges:

* Round 1: Wrong Brush, Head on Crash, Fixed Button

* Round 2: Skid Marks, Night Time Dress Down, Lick Back Ink

* Round 3: Little Pole, Snack Rack, Melon Fire

* Round 4: Brief Winch

Members of the Lingerie Football League team Philadelphia Passion: Dana, Heather, Jaleesa, Tanyka Renee, H.P. and Whitney brush, lick, and duck to win money in the Silent Library.

Featured Challenges:

* Round 1: Beard Brush, Rear Pop, Blind Lick

* Round 2: Eat Like Baby, Meat Hugger, Bad Treatment

* Round 3: Movie Mix Up, Bed Bunk, Tongue Race

* Round 4: No Hand Take Out

P, Quez, Lennon, Justin, Peter and Nelz spend an afternoon blowing up and throwing up in the Silent Library.

Featured Challenges:

* Round 1: Padded Bust, Private Punch, Sour Shave

* Round 2: Wurst Waitress, Window Pain, Blasted Nuts

* Round 3: Old Nipples, Liver Cone, Bulls Hit

* Round 4: Tired Five

Cesare, Danny, Ciaran, Jair, Adam and Ryan put their faces and groins in the line of fire to win money in the Silent Library.

Featured Challenges:

* Round 1: Cold Wet Roll, Brief Fish, Ballpark Sundae

* Round 2: Return Keys, Unfresh Cow, Nut Cracker

* Round 3: Dirty Ride, Nipples Tape, File Down

* Round 4: Lapped Santa

Dean, David, Hao, Mike, Anthony and Lee get beaten down by musical instruments, and dressed up like barnyard animals in the Silent Library.

Featured Challenges:

* Round 1: Globed Lick, Western Swinger, Body Harp

* Round 2: Tongue Bath, Piano Fingers, Stunning Cow

* Round 3: Bed Bunk, Drunk Hamsters, Cheap Slot

* Round 4: Monkey Missile

Tommy, Yohancey, Alex, Ali, Brendan and Peter get punished by a tiny cow, a giant bull, and a snappy frog in the Silent Library.

Featured Challenges:

* Round 1: Fish Swing, Tongued Frog, Beard Flakes

* Round 2: Roped Chain, Butter Milk, Little Discipline

* Round 3: Polish Off Shoe, Big Bad Breath, Bulls Hit

* Round 4: Kick Line

Jason, Anthony, Marc, Corey, Travis and Joe get smashed, kicked, and sculpted in a near-perfect round of challenges in the Silent Library.

Featured Challenges:

* Round 1: Crotch Doctor, Tartar Teeth, Beard Return

* Round 2: Piano Smack Down, Cafeteria Mix Up, Clay Face

* Round 3: Produce Score, Hitted Show, Pan Cake Fire

* Round 4: Dog House

Louie, Mike, Dennis, Deion, Corey and Ivan get smacked, kicked, and poked in the Silent Library.

Featured Challenges:

* Round 1: Black Belted, Stuck in Middle, Crotch Doctor

* Round 2: Body Kick, Tipping Bird, Mullet of Sea

* Round 3: Self Hoist, Cheesy Glue, Groin Balls

* Round 4: Rip Off Names

Chad, Brian, Mike, Dan, Matt and Dan, brush, squat, and knee their way to the top to win money in the Silent Library.

Featured Challenges:

* Round 1: Wrong Brush, Strike Balls, Dressing Downed

* Round 2: Beard Candy, Stunning Cow, Erupt in Rear

* Round 3: Private Crash, Kneeded Push, Tender Buttons

* Round 4: Nipple Race

Sam, Cheyenne, Emily, Nicole, Zaina and Julianne take on the Silent Library

Featured Challenges:

* Round 1: Jump Spike, Stirrup Strike, Drunk Cup

* Round 2: Not Wanted Five, Big Bad Breath, Hair Treat

* Round 3: Sheep Transfer, Pie Fire, Fish Suck

* Round 4: Explosive Stool

Anthony, Kien, Nuor, Anthony, Randy and Stephen get shot, licked, and hammered down in the Silent Library.

Featured Challenges:

* Round 1: Full Toilet, Foul Support, Peanut Butter Jelly Fish

* Round 2: Thrown Kiss, Extra Tongue, Boxing Belted

* Round 3: Fisted Jack, Groin Factory, Temporary Seal

* Round 4: Large Pie

Carl, Micheal, Christian, Tom, Mike and Zach are punished by a toothless man, a boxer and a fruit hat-wearing lady in the Silent Library.

Featured Challenges:

* Round 1: Old Man Bites Tenderly, Baby Back, Meat Straw

* Round 2: Body Bag, Butter Milk, Pants Sandwich

* Round 3: Fruit Lady, File Down, Nipple Sledding

* Round 4: Fed Up Animals

Mike, Vinny, Chris, James, Lenny, and Z are punished by a toothless man, a boxer and a fruit hat-wearing lady in the Silent Library.

Featured Challenges:

* Round 1: Peanut Butter Jelly Fish, Historic Chest, Private Punch

* Round 2: Beach Bust, Toss Sandwich, Little Discipline

* Round 3: Destroy Bone, Spot On Dog, Finger Food

* Round 4: Shell Shock

Yola, Katy, Ashley, Nia, Gwen and Tiffeny feast on ranch dressing and rancid ice cream in the Silent Library.

Featured Challenges:

* Round 1: Fish Music, Wet Suit, Pool Head

* Round 2: Lip Hair Lick, Big Bounce, Stink Wheel

* Round 3: Thrown Spin, Beneath Wings, Frozen Taste

* Round 4: Dirt Bike

Elijah, Paul, Landon, Billy, Steve and Isaiah are slapped, pecked, and beaten in the Silent Library.

Featured Challenges:

* Round 1: Snap Toe, Flagged, Fancy Rip Off

* Round 2: Tipping Bird, Piano Smack Down, Food Dog

* Round 3: Navel Attack, Private Work Out, Jelly Buff

* Round 4: Pedal Pop

Peter, Mike, Justin, Greg, Mark and JC try to stay strong against a donkey, a turtle and an Italian chef down in the Silent Library.

Featured Challenges:

* Round 1: Alarming Clock, Rear Squeeze, Sour Crisp

* Round 2: Sticky Blow, Body Bag, Number One Food

* Round 3: Italian Fling, Heart Broken, Bad Door

* Round 4: Shell Shock

Mark, Irving, Leo, Cyrus, JC and Marlon chow down on everything from toothpaste cookies to hot sauce snow cones in the Silent Library.

Featured Challenges:

* Round 1: Blowing Liar, Deviled Snow, Western Swinger

* Round 2: Early Violin, Morning Cookie, Handed Copy

* Round 3: Faced Pinch, Front Back Sandwich, Pizza Shoot Off

* Round 4: Groin Saw