During season 2, Jake, Alan and Charlie refer to Judith's new boyfriend, Dr. Melnick (Ryan Stiles), as "Greg". In Season 2, episode 4, "Go Get Mommy's Bra", it is revealed that Judith and "Greg" have broken up. In future seasons, Judith again dates (and marries) Dr. Melnick, but his first name has changed to "Herb".
Charlie Sheen and Ryan Stiles (Dr. Melnick) co-starred in "Hot Shots!" (1991) and "Hot Shots! Part Deux" (1993).
Charlie Sheen, Jon Cryer and Ryan Stiles co-starred in "Hot Shots!" (1991).
Episode title spoken by Charlie, to Judith.