Eight celebrity doctors, some real and some who just play them on TV, compete.

Eight celebrities from beloved holiday movies compete to win up to $1 million for charity.

Eight of TV's most fabulous ex-wives compete to win up to $1 million for the charity of their choosing.

Celebrity contestants Laverne Cox, Andy Richter, Ron Funches, Adam Pally, Joel Kim Booster, Carson Kressley, Jon Lovitz and Cheri Oteri.

Eight celebrities who survived "Special Forces: America's Toughest Test" compete to win up to $1 million for the charity of their choosing.

Eight of football's greatest athletes compete.

Tatyana Ali, Shenae Grimes, Matt Lanter, Beverly Mitchell, Scott Porter, Daphne Reid, Aimee Teegarden and Barry Watson compete.

Eight of the most hilarious and biting roastmasters compete.

Celebrities Melissa Gorga, Joe Gorga, Heidi Montag, Spencer Pratt, Lauren Speed-Hamilton, Cameron Hamilton, Joe Graziadei and Kelsey Anderson compete.

Eight actresses who played some of TV's favorite moms and aunts compete to win up to $1 million for the charity of their choosing.

Eight of Jane Lynch's former "Glee" castmates compete to win up to one million dollars for the charity of their choosing.