Play trailer Phase IV 1974 | 1h 24m | Classic Horror Thriller I love this! 3.0 Critics 3.0000000000 out of 5 3.3 Users 3.3000000000 out of 5 Walloh 3.12 out of 5 Desert ants suddenly form a collective intelligence and begin to wage war on the desert inhabitants. It is up to two scientists and a stray girl they rescue from the ants to destroy them. But the ants have other ideas. Director Saul Bass Stars Nigel Davenport Michael Murphy Lynne Frederick Release date 01 Sep 1974 Links IMDb Play trailer I love this!