A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearby deep ocean trench. As they investigate, they attract the unwanted attention of a dangerous creature who puts the scientists and crew in danger.
You can now watch Destination Inner Space online on the following streaming providers in the United States.
| Directing | Francis D. Lyon | Director |
| Writing | Arthur C. Pierce | Screenplay |
| Production | Earle Lyon | Producer |
| Art | Harry Reif | Set Decoration |
| Editing | Robert S. Eisen | Editor |
| Camera | Brick Marquard | Director of Photography |
| Sound | Paul Dunlap | Original Music Composer |
| Art | Paul Sylos | Art Direction |
| Production | Fred Jordan | Executive Producer |
| Production | Wendell E. Niles Jr. | Associate Producer |
| Production | Kerwin Coughlin | Casting |
| Production | Jasper Russel | Casting |
| Crew | Roger George | Special Effects |
| Visual Effects | Richard Cassarino | Creature Design |
| Costume & Make-Up | Robert Dawn | Makeup Artist |
| Costume & Make-Up | Linda Trainoff | Hairstylist |
