Watch Movie for Free on tubitv.com
Def-Con 4 is a 1985 post-apocalyptic film, portraying three astronauts who survive World War III aboard a space station and return to earth to find greatly changed circumstances.
(Summary from Wikipedia)
The Quiet Earth (1985)
Steel Dawn (1987)
A Boy and His Dog (1975)
Stake Land (2010)
Last Woman on Earth (1960)
Day the World Ended (1955)
Robot Jox (1990)
Miracle Mile (1988)
The Last Man on Earth (1964)
Open Grave (2013)
The Blood of Heroes (1989)
Solarbabies (1986)
Fail Safe (1964)
Meteor (1979)
Virus (1980)
Threads (1984)
Crack in the World (1965)
This Is Not a Test (1962)
Def-Con 4 (1985)
Maggie (2015)