The One With the Creepy Holiday Card

"The One With the Creepy Holiday Card" is the seventh Christmas episode of the NBC sitcom Friends, aired in the show's eighth season.

Synopsis
Rachel starts to panic when Mona gets an idea to send out a holiday card for them, thinking that their relationship is starting to move too fast. Chandler's newly divorced boss tries to get him and Monica to come out to dinner with him, but she can't stand him. Rachel's hormones start acting up due to her pregnancy, causing her to hit on almost every guy she meets.