 Lister mentions that he recognises him from Rimmer's record collection.The marching song led by "Sergeant Elvis Presley" is an example of a military cadence, or jody call, commonly used by military personnel while running or marching in the United States.This episode also borrows footage from the 1967 Kaiju film, "Gappa The Triphibian Monster", when depicting the scene where Rimmer and Kryten run away from the two giant monsters, which were the titular monsters from the film.