The I've seen this movie game.

[DrWeird]

I'll start it going, see if you can guess the pattern and add to it.

Volcano
Dantes's Peak

Deep Impact
Armageddon

A Bug's Life
Antz

Mission to Mars
The Red Planet

The Matrix
The Thirteenth Floor
Dark World

go.

[LibertyorDeath]

1. ok

Mars Attacks
War of the Worlds

Dog Day Afternoon
Heat

Das Boat
Hunt For Red October

Sid & Nancy
Trainspotting

Spinal Tap
The Band LOL

How my doin

[DrWeird]

2. Close.

I'm talking about movies released almost simulteously, with identical plots. Like one studio couln't think up an idea so they stole another studio's and tried to squeeze out a movie before the other guy.

[Catholic Sensation]

3. hmmm

Bush's Rational For Iraq War
The Sum of All Fears

The Patriot Acts
Minority Report

[VolcanoJen]

4. OK... fun thread!

Unfaithful
Indecent Proposal
Fatal Attraction
(all Adrian Lyne films, of course)

Moral: Don't have sex with strangers