Phase IV
- Vuosi: 1974
- Maa: United Kingdom, United States of America
- Genre: Kauhu, Science fiction
- Studio: Paramount Pictures, Alced Productions, PBR Productions
- Avainsana: insect, ant, murder, scientist, desert, based on short story, time lapse photography
- Johtaja: Saul Bass
- Heittää: Nigel Davenport, Michael Murphy, Lynne Frederick, Alan Gifford, Robert Henderson, Helen Horton