When drillers on an offshore oil rig dredge up several prehistoric eggs, one man is attacked by what appears to be an unidentified deep-sea creature protecting them. Soon, strange symptoms and behaviors become apparent among the crew and one of the creatures grows to adult-size.
| Directing | Peter Carter | Director |
| Writing | Ed Waters | Teleplay |
| Production | Don Carmody | Line Producer |
| Production | John Furia, Jr. | Executive Producer |
| Production | Neil T. Maffeo | Producer |
| Production | Barry Oringer | Executive Producer |
| Production | John Ryan | Associate Producer |
| Sound | Gil Mellé | Original Music Composer |
| Camera | James Pergola | Director of Photography |
| Editing | Richard E. Rabjohn | Editor |
| Art | Geoffrey Holmes | Art Direction |
| Costume & Make-Up | Evelyn Carr | Makeup Artist |
| Costume & Make-Up | Albert Paradis | Hairstylist |
| Art | J. Tracy Budd | Property Master |
| Sound | Karl Scherer | Production Sound Mixer |
| Sound | Richard Dwan Jr. | Sound Editor |
| Sound | Richard Dwan Jr. | Sound Effects Editor |
| Crew | Don Powers | Special Effects |
| Sound | Jerry Cohen | Music Editor |
| Directing | Susanna David | Script Supervisor |
