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When a squadron of flying saucers is detected heading toward Earth, the American president (Jack Nicholson) consults with his top military brass, press secretary (Martin Short) and a scientist (Pierce Brosnan). Concluding that the aliens' impending arrival is a positive thing for mankind, he announces the news in a fireside TV broadcast. The world awaits these Martians with eager anticipation.
Things pick up considerably when the Martians come. Pretending at first to come in peace,
the hostile visitors fire on a large crowd of well-wishers then, on a second visit, attack
the U.S. Congress. The world realizes it's time to kick some alien butt. But first, the
invincible Martians' weaknesses need to be identified. -- Desson Howe