PHASE IV, famed title designer Saul Bass's sole directing gig. opens in selected markets. Written by Mayo Simon (Futureworld, Marooned). Michael Murphy and Nigel Davenport star as a pair of Arizona scientists who discover that an unexplained cosmic incident has dramatically changed the genetic makeup of the local ant colony, rendering it with a rapidly evolving, cross-species, military-like hive mentality. A creepy, sci-fi cult classic with impressive macro ant photography enhanced by a kaleidoscopic visual style befitting Bass's signature aesthetic. Lynne Frederick co-stars as a local girl who finds refuge in the scientists' beseiged laboratory.