But whenever aliens invade our mostly harmless planet Earth, Hollywood's going to be ready with an escape scenario.

Like in Friday's release Transformers, most contingency plans seem to have been thought out by the blockbuster-makers.

Here are some memorable end-of-the-world movies:

The War of The Worlds (1953)

Forget Tom Cruise and Steven Spielberg, the 1953 adaptation of HG Wells' terrifying Martian invasion story stands the test of time superbly, managing to chill amid extreme drama.

Also Read: Hollywood's dynamic duos

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