Reported sightings of a hellish hound and the discovery of newly dead desiccated corpses bring Sam and Dean Winchester to Brennan, Ohio. But when they catch the monster canine it turns out to be "Frankenmutt"; a reanimated patchwork from separate dogs.
Soon the brothers are on a trail that leads from mad scientists and biotechnology to a centuries-old alchemists, walking corpses and an ancient and malevolent power.
- Walter Hansen
- Trish Hansen
- The Rifleman
- Conrad Dippel
- Sheriff Kopp
Featured Supernatural Beings
- Archangels (Michael and Lucifer, mentioned only)
- Deities (Hel; Anubis and Chronos, mentioned only)
- Four Horsemen of the Apocalypse (Death, mentioned only)
- Leviathan (Dick Roman, mentioned only)
- Prince of Hell (Azazel, mentioned only)
- Reapers (Daniel)
- Seraphim (Castiel, mentioned only)
- Violent Spirits (The Rifleman)
- Werewolf (mentioned only)
- Zombies (Trish Hansen)
- Sam and Dean mourn the loss of Bobby Singer.
- Sam and Dean discuss the Death of Chronos.
- Takes place between Time After Time and The Slice Girls.