One contestant must answer trivia questions correctly when one in a group of 100 people fails. As the group's number gets smaller, the more money the one contestant is eligible to win.
First Aired: 2008-01-18 A contestant from Brooklyn takes on "the Mob," consisting of Sommore, Ross "The Intern" Mathews, Richard Rubin and Oscar the Grouch. Also, a woman from Chicago gets her turn as a contestant.
First Aired: 2008-01-11 Contestants hailing from Baltimore and Brooklyn take on the mob which contains actress Sommore, Ross Mathews (Tonight Show), Richard Rubin (reality personality) and Oscar the Grouch (Muppets).
First Aired: 2006-10-13 This is the series premiere. Brian is chosen to challenge 100 other opponents for $1 million. After Brian is eliminated, Christine Tarbet tries to outsmart the mob next. Every time the contestant gets an answer correct, the other player is knocked out.
First Aired: 2007-03-02 Carolyn Granado of Carlsbad, California and Andrew Murray of Stony Point, New Jersey face the mob for the huge million dollar payoff.
First Aired: 2007-02-23 Joanne Uy of Northridge, California, Herman Wilkins of Chicago, Illinois and Lou Siville of Shiloh, Illinois each have their chance at facing the mob for one million dollars.
First Aired: 2007-02-09 In a special episode of 1 vs. 100, one mob member is guaranteed to win $250,000 if they can beat all the other Mod Members and be the last mob member standing. Amy Duke was chosing to play as the contestant; playing against a mob including previous mob members including Ken Jennings.
First Aired: 2007-01-26 Radjiv Ladva of Birmingham, England returns to try and finish off the mob and Janice Carlton of Fort Dix, New Jersey will face off against the mob.
First Aired: 2007-01-19 Kwame Horne of Detroit, Michigan returns to try and finish off the mob and Shelly Rego of Sommerville, Massachusetts and Radjiv Ladva of Birmingham, England all get their shot for the million dollar payoff.
First Aired: 2007-01-12 Barry Lander of San Diego, California returns to try and finish off the mob and Kwame Horne of Detroit, Michigan face the mob for a million dollar payoff.
First Aired: 2006-12-25 In a special Christmas episode, Melanie Pino of Las Vegas, Nevada and Michael Zajaczkowski of Jersey City, New Jersey get their shot at the million dollar prize versus the mob.
First Aired: 2006-12-08 Paula Russell of Chicago, Illinois return to try and finish off the mob and then Molly Garner of Tustin, California will play for a top prize of $1 million against the mob.
First Aired: 2006-11-10 Monique Soltani of Hollywood, California returns to try and finish off the mob and then Jonathan Kehoe of Cherry Hill, New Jersey gets his chance at the million dollar payoff.
First Aired: 2006-11-03 Ed Brown of Afton, Wyoming returns to try and finish off the mob, and Kelly Ross of Oak Park, California and Monique Soltani of Hollywood, California try their luck to outsmart the mob, which includes Guinness World Book of Records title holders and summa cum laude graduates.
First Aired: 2006-10-27 Camielle Bennett of Augusta, Georgia, Portia Peters of South Holland, Illinois and Ed Brown of Afton, Wyoming, face the mob for a chance at a million dollar prize.
First Aired: 2006-10-20 Christine Tarbet of Youngstown, Ohio returns to try and finish off the mob, and Aaron Sanderlin of Brooklyn, New York and Chaz Hales of Las Vegas, Nevada try their luck to outsmart the mob, which includes brain surgeons, Mensa members and Los Angeles Clippers cheerleaders.
First Aired: 2006-10-13 Brian DeCato of Parkland, Washington and Christine Tarbet of Youngstown, Ohio compete in the premiere episode. Members of the mob include Ken Jennings ("Jeopardy!"), valedictorians, and "Deal or No Deal" models.