It's a battle of the most popular television reality stars in a part one of a three-episode "Reality Stars Fear Factor".

Stars from "Survivor" (Johnny "Fairplay" Dalton and Twila Tanner), "American Idol" (Anthony Fedorov and Carmen Rasmusen), "The Amazing Race" (Victoria Fuller and Jonathan Baker), "The Apprentice" (Craig Williams and Tana Goertz), and "The Real World" (Mike "The Miz" Mizanin and Trishelle Cannatella) compete for $150,000.

In the first stunt, the teams compete in an all-out demolition derby. The men will drive the cars while the women do the shifting, the last car running wins. In the final stunt, each team must collect three skulls hidden in various places around a swamp, including an alligator's lair! During the stunt, tensions flare and emotions erupt in one of the most explosive fights in "Fear Factor" history.

This week's home invasion takes place in Bristol, Connecticut.

In the final round of the comic semi-finals, top comedians perform their funniest routines, but there is a surprise twist when the final contestants are ultimately revealed. Celebrity judges Kathy Griffin, Garry Marshall and Tim Meadows make special appearances.

The end of the Opilio season is upon the fleet, and crews push hard to bring in the last of the crab. With the crab tanks full, the next task is to make it back to portin one piece.

It's a glitzy Las Vegas premiere as Mike visits the Lance Burton Theater to clean up the pens for Lance's show doves and geese.



Mike then gets really dirty by visiting a pig farmer and helping him process and transport yesterday's buffet leftovers to feed the pigs.

Franco begins to fear he's becoming Alicia's boy toy, while Tommy finds a way to end the fling between Damien and his science teacher. The rest of the crew also face their own problems - Lou is becoming real unstable emotionally, the chief has financial problems, and Sean is afraid of Tommy finding out who he's been sleeping with.

John and Tyler work on a float for Fantasy Fest as a hurricane approaches. And Janelle is cross with John after he jokingly removes her top.

TONIGHT: The chair of the Republican National Committee, Ken Mehlman!

Tonight Stephen welcomes mammologist and paleontologist Tim Flannery, author of The Weather Makers.