Bret Harrison and Tyler Labine both played characters on the show "Reaper", and are listed on the episode cast with the same character names they had on that show. In addition, on the episode, they both keep saying their name is "Ben" or "Benjamin", which is the same character name of their friend on Reaper, who was played by Rick Gonzalez.
Reference to John Ritter: Amy calls Kevin (Jason Ritter) by the name of "Bucko", which was the nickname of John Ritter's character on Three's Company.