Red's unbearable mother comes to spend a Sunday with the family. Kitty tries to quit smoking, and Eric has a school paper due. Kelso wants to break up with Jackie, but doesn't know how to tell her.

Red gives Eric $40 to buy a Christmas tree, but he, Hyde and Kelso cut one down along the interstate and keep the money for beer and presents. Red is forced by Bob to spend his Christmas Eve at the store. Laurie spikes the punch with vodka at Eric's Christmas party.