His high school teacher issues an ultimatum: turn in a science project or flunk. So Mike Harlan scavenges a military base's junk pile for a suitable gizmo. He finds one... and unwittingly unleashes the awesome power and energy of the unknown. Twisted dimensions. Time warps. A fantastic realm where the past, present, and future collide in a whirling vortex of startling adventure and superlative special effects.

• DirectorJonathan R. Betuel
• Release9 August 1985
• Genre
  Comedy / Family
• Duration1h 34m
• Budget?
• Revenue$4,122,748
• Rate
  

  6.211
  142 reviews
• Productions

  Touchstone Pictures, Silver Screen Partners II