The Ghost of Slumber Mountain 1918
In a dream Uncle Jack looks through a magic telescope owned by the ghost of a hermit and sees what life was like millions of years ago, including a battle between prehistoric monsters.
- Released: 1918-11-17
- Runtime: 16 minutes
- Genre: Fantasy, Animation, Horror
- Stars: Willis H. O'Brien, Herbert M. Dawley, Alan V. Day, Chauncey A. Day
- Director: Willis H. O'Brien