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A woman from Chicago returns to challenge the mob as season 2 comes to a close.

An expert at pop culture trivia from L.A. and a beauty queen from Texas are this week's contestants against the mob.

Contestants from Ohio and Los Angeles take on the mob. Also, a special appearance by Jeremy Miller and Charlene Tilton.

Kristin Moran from Villa Park, CA is this week's challenger against the mob.

A thinking man from Montana will take on a single mom from California, versus the mob.

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.

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).

Actor Barry Williams and actress Dawn Wells make guest appearances on this episode.

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.

Mike Korich of Dacula, Georgia and Heather Spanbauer of Modesto, California battle the mob for a million dollar prize.

Carolyn Granado of Carlsbad, California and Andrew Murray of Stony Point, New Jersey face the mob for the huge million dollar payoff.

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.

Raul Torres of Van Nuys, California and Casey Smith of Des Moines, Iowa play against the mob for a million dollars.

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.

Mitch Mishke of Telluride, Colorado challenges the mob for a million dollar prize.

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.

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.

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.

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.

Keikabou Holland of Washington, DC challenges the mob for a chance at the million dollar prize.

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.

Jay Stakelon of Allentown, Pennsylvania will play for a special top prize of $3 million as he challenges the mob.

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.

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.

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.

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.

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.