An adventure racer adopts a stray dog named Arthur to join him in an epic endurance race.

Two astronomers go on a media tour to warn humankind of a planet-killing comet hurtling toward Earth. The response from a distracted world: Meh.

Communist radicals hijack Air Force One with the U.S. President and his family on board. The Vice President negotiates from Washington D.C., while the President, a veteran, fights to rescue the hostages on board.