Those who know me well understand my deep passion for Apocalyptic/Post-Apocalyptic/Dystopian movies. I'm not sure why this passion exists, but it is a wonderful trait (IMHO) and something I'm very proud of. I would define an apocalyptic movie as one where society (or something major) is destroyed. Post-apocalyptic is a movie where society is trying to rebuild. There are many reasons for apolcalyptic including disease, technology, weapons of mass destruction, nature, or another force that destroys society. I understand that people sometimes include zombies and the undead into this group, but I believe that genre of films is completey different.
I thought I'd list the films I currently own and if you know of anything else that is available, please drop me a note.
Escape from New York
Escape from L.A.
Day After
Zardoz
Logan's Run
Mad Max
The Road Warrior
Mad Max Beyond Thunderdome
Planet of the Apes (Complete Movie Releases)
Soylent Green
The Last Man on Earth
The Omega Man
28 Days Later
28 Weeks Later
Six-String Samurai
Death Race 2000
Serenity
The Warriors
Fahrenheit 451
Television Programs:
Jeremiah (Season 1&2)
Day of Triffids
The Survivors
The Tribe
Firefly
The Tripods
I understand that there are a number of others out there. For a more complete list, please visit Wikipedia