DI Humphrey Goodman (Kris Marshall) informs the group that "Frankenstein was the creator, not the monster." It is the second time that Danny John-Jules (playing Dwayne Myers) has been told this, using these exact words. The first time was by Kryten in the episode Quarantine (1992) of the comedy series Red Dwarf (1988), in which Danny John-Jules played the Cat.
The title for this episode " The Perfect Murder"