When Bob goes out of town, Eric and Donna decide to "practice" being married at her house. The gang is excited because they think this is a chance to party all weekend at the Pinciotti's place, until Eric and Donna are forced to set them straight. Meanwhile, Kitty goes to the jewelers to pick up a ring she thinks Red got her as a surprise. But she discovers the real surprise: it's actually an engagement ring for Donna.
Elenco: Topher Grace , Laura Prepon , Mila Kunis , Danny Masterson , Ashton Kutcher , Wilmer Valderrama , Debra Jo Rupp , Kurtwood Smith , Don Stark , Christina Moore , Tanya Roberts , Lisa Robin Kelly , Tommy Chong , Josh Meyers .