7 Apocalyptic Fims

Cinematical has a list of 7 apocalyptic science fiction films -annotated at their site, of course, telling lots of goodies about each one- but just listed here:

I Am Legend (2007)

12 Monkeys (1995)

The Day The Earth Caught Fire (1961)

Planet of the Apes series (1968, 1970, 1971, 1972, 1973)

The Quiet Earth (1985)

Damnation Alley (1977)

The Terminator series (1984, 1991, 2003, 2009)

Ones I've seen are in bold print. The Day the Earth caught Fire (starring Leo McKern) can be viewed online, as can The Quiet Earth and Damnation Alley.