Three's a Crowd, Six is a Freak Show

"Three's a Crowd, Six is a Freak Show" is the Christmas episode of the NBC sitcom , originally aired as the tenth episode of the show's third season.

Synopsis
Grace realizes how shallow she is when she breaks up with a guy she likes just because he has six toes on one foot. She then fears the worst for her present relationship after a minor medical procedure leaves her with a sore on her lip. Will and Jack find out that they're dating the same man. Karen tries to buy a Christmas present for her step-son.