 In the episode "A Great Personality", Trevor is helping Yvonne to  write a personal ad, and suggests that she uses the phrase "face  like Marcia Brady" to describe herself. Yvonne is played by  Christine Taylor, who had starred as Marcia in both  _Brady Bunch Movie, The (1995)_ (qv) and  _Very Brady Sequel, A (1996)_ (qv).