This episode featured five pairs competing as teams. This episode also had an unusual twist: Contestants were not allowed to sleep for the 48-hour duration of the competition. If anyone fell asleep, their team would be eliminated.

Fear Factor Season 4 Episodes...

• s04e01 - Million Dollar Edition
• s04e02 - Return to Las Vegas (1)
• s04e03 - Return to Las Vegas (2)
• s04e04 - Heli Crawl and Flag Grab; Maggoty Madness; Head on Pipe Ramp
• s04e05 - Heli Water Drag; Cow Eye Juice; Truck to Truck Transfer
• s04e06 - Halloween Episode
• s04e07 - All Female Episode #2
• s04e08 - Four Stunt Episode #2
• s04e09 - Water Sack; Beetle Roach & Worm Transfer; Spinning Ledge
• s04e10 - Truck to Helicopter; Table Clearing; Under the Semi
• s04e11 - Family Fear Factor
• s04e12 - Boat to Boat; Worm Wine; Matrix Truck Straddle
• s04e13 - Cable Surfing; Gift Exchange; Lake O' Fire
• s04e14 - Fear Factor Twins #2
• s04e15 - Couples Fear Factor (1)
• s04e16 - Couples Fear Factor (2)
• s04e17 - Couples Fear Factor (3)
• s04e18 - Couples Fear Factor (4)
• s04e19 - Couples Fear Factor (5)
• s04e20 - Couples Fear Factor (6)
• s04e21 - Couples Fear Factor (7)
• s04e22 - Four Stunt Episode #3
• s04e23 - Four Stunt Episode #4
• s04e24 - All Female Episode #3
• s04e25 - Siblings Fear Factor
• s04e26 - Twirling Misery; Eat Live Snails; Car Jump out of Back of Semi
• s04e27 - Extreme Building Plunge; Bug Windshield; Rotating Beam to Platform
• s04e28 - Tunnel Flag Snag; Potato Bug Bazooka; Tractor Car Roll
• s04e29 - Miss USA Edition #2
• s04e30 - Team Transfer; Hagfish Transfer; Cable Stand
• s04e31 - Bound in Chains; Get the Gator; Heli Rope Transfer
• s04e32 - Dual Heli Beam Walk; Fly Shake; Hop the Train
• s04e33 - Underwater Tumbler; Bug Body Bag; Dual Heli Wall
• s04e34 - Family Beam Walk; Family of Roaches; Kid-A-Pult

Fear Factor Show Summary

In each pulse-racing "Fear Factor" episode, contestants (sometimes solo, often paired with spouses, siblings or best friends) recruited from across the nation must decide if they have the guts and determination to face their most primal fears. Under the supervision of professional Hollywood stunt coordinators, contestants are confronted with a series of challenging stunts.

If they complete their task they advance; if fear stops them from completing a stunt or they fail the mission, they are immediately eliminated. The contestant who wins the final challenge takes home the prize.Now to bare to watch is fear a factor for you!?