Monica (Courteney Cox) has less screen time in this episode. She appears only 50 seconds in one scene.
The magna doodle reads "Rachel call D'ward St. George." This is a reference Edward St. George, a hairstylist who worked on the set of Friends at the time.
Matthew Perry and Bruce Willis knew each other at the time because of their movie The Whole Nine Yards. It was reported that Willis took his role in the show for free after losing a bet with Perry. However, this turned out to be just a rumor.
When Paul hugs Joey, Joey says "Paul, is it?" Chandler says this same exact line in the pilot when discussing Monica's date, "Paul, the Wine Guy."
The boys' favourite film is Die Hard yet they never even mention the similarity between John McClane (played by Bruce Willis) and Paul (also played by Bruce Willis).