During the Battle of Khartoum in 1883, Tony and Doug stumble upon aliens who plan to conquer the Earth using missiles. The aliens also send a bomb through the Time Tunnel to prevent any interference with their plans.
Doug and Tony are transported to Sudan on 02 November 1883 on the day of the battle between the British invaders and the Arabs in Khartoum and they stumble in an alien invasion from Aristos that will begin launching missiles in London and other major cities. When the time tunnel personnel interfere with the plans of the alien leader, he sends a sophisticated and indestructible bomb to the complex.—Claudio Carvalho, Rio de Janeiro, Brazil