The depletion of the earth's ozone layer causes animals above the altitude of 5000 feet to run amok, which is very unfortunate for a group of hikers who get dropped off up there by helicopter just before the quarantine is announced.
You can now watch Day of the Animals online on the following streaming providers in the United States.
| Sound | Lalo Schifrin | Original Music Composer |
| Writing | William W. Norton | Screenplay |
| Directing | William Girdler | Director |
| Camera | Robert Sorrentino | Director of Photography |
| Production | Edward L. Montoro | Producer |
| Writing | Eleanor E. Norton | Screenplay |
| Writing | Edward L. Montoro | Story |
| Editing | James Mitchell | Editor |
| Editing | Bub Asman | Editor |
| Production | Marvin Paige | Casting |
| Production | David Sheldon | Executive Producer |
