The character of Harry Claymore in the third story is an obvious reference and homage to the legendary stop motion animator Ray Harryhausen. Some of his most recognizable creation, such as the Cyclops, King Kong and the sword wielding skeletons are spoofed in this episode.
The robes worn by the Handwitch match Manos' robes in the 1966 film Manos Hands Of Fate.
The movie that Grunkle Stan shows to The Twins is likely a reference to the original Clash of the Titans movie.
The second episode to show 3 mini stories with the first being "Bottomless Pit" in season one
The title of the episode is a reference to the cult classic Little Shop of Horrors