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.
Released: May 13, 1977
Runtime: 97 minutes
Genre: Science Fiction, Horror, Thriller
Stars: Christopher George, Leslie Nielsen, Lynda Day George, Richard Jaeckel, Michael Ansara, Ruth Roman
Crew: William Girdler (Director), Edward L. Montoro (Producer), Robert Sorrentino (Director of Photography), Lalo Schifrin (Original Music Composer), William W. Norton (Screenplay), David Sheldon (Executive Producer)