THAT '70s SHOW: Mary Tyler Moore (L) guest-stars as a local news anchor in the "Sweet Lady" episode of THAT '70s SHOW airing Thursday, Jan. 26 (8:00-8:30 PM ET/PT) on FOX. Also pictured Mila Kunis as Jackie.

Mary Tyler Moore and Wilmer Valderrama in That '70s Show (1998)

Danny Masterson and Laura Prepon in Sweet Lady (2006)

Mary Tyler Moore and Mila Kunis in That '70s Show (1998)

THAT '70s SHOW: Mary Tyler Moore guest-stars as a local news anchor in the "Sweet Lady" episode of THAT '70s SHOW airing Thursday, Jan. 26 (8:00-8:30 PM ET/PT) on FOX.