The Ghost of Slumber Mountain

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.

• Willis H. O'BrienDirector
• Willis H. O'BrienWriter
• Herbert M. DawleyWriter

• Herbert M. DawleyUncle Jack Holmes (uncredited)
• Willis H. O'BrienGhost of 'Mad Dick', the Hermit (uncredited)
• Alan V. DayJacks Nephew
• Chauncey A. DayJacks Nephew