Trivia: Hearts Afire
- The Danza: John Hartman and Billy Bob Davis, played by John Ritter and Billy Bob Thornton, respectively.
- Hey, It's That Guy!: Aunt Zelda! Kitty Forman! Davis Lynch! The Sunnydale High nurse! Clark Duke, who played Elliott, also played one of the main characters in the movie Hot Tub Time Machine.
- The Other Darrin: In the third season, John's older son, Ben, suddenly morphed from a stocky blonde kid to a skinny brunette. He didn't even look like he could be Elliott's brother anymore. Briefly lampshaded when their mother comments on how much they've changed.