One night after shopping, Roxy Miller (Marilyn Manning) is driving to a party through the California desert when she nearly crashes into Eegah (Richard Kiel), a giant prehistoric caveman.

When his helicopter ride fails to show up at his designated pickup time, Tom and Roxy go looking for him on his dune buggy.

Eegah begins to expresses what seems to be a romantic interest in Roxy, her father, fearful that the creature may kill them both if he is rebuffed, suggests she put up with as much of it as she can bear.

Eegah remains relatively tame, however, and Roxy even ends up giving him a shave, which distracts him long enough until Tom arrives and helps the Millers escape.

Hall Sr. co-wrote the film with Bob Wehling, directed the picture under the pseudonym Nicholas Merriweather, and co-starred opposite his son under the name William Watters.

Steckler, who had previously moved to Hollywood to become a cameraman, made his directing debut the next year in the Arch Hall Jr. vehicle Wild Guitar.

The writers also speculate that some kind of romantic relationship existed between Arch Hall Sr. and his on-screen daughter Marilyn Manning, due to the uncomfortably non-familial chemistry in their scenes together.

[8] The film is in the public domain and has been released on home video a number of times, both as stand-alone versions and as part of multi-film collections.

[10] MST3K launched "The Gizmoplex" to the public on May 8, 2022, a new headquarters for all things Mystery Science Theater 3000 related, and "Eegah" is available for purchase in digital streaming form directly from their new website at gizmoplex.com.