The Final Countdown

The "Memphis Belle" is a World War II bomber, piloted by a young crew on dangerous bombing raids into Europe. The crew only have to make one more bombing raid before they have finished their duty and can go home. In the briefing before their last flight, the crew discover that the target for the day is Bremen.

When mankind beams a radio signal into space, a reply comes from ‘Planet G’, in the form of several alien crafts that splash down in the waters off Hawaii. Lieutenant Alex Hopper is a weapons officer assigned to the USS John Paul Jones, part of an international naval coalition which becomes the world's last hope for survival as they engage the hostile alien force of unimaginable strength. While taking on the invaders, Hopper must also try to live up to the potential that his brother, and his fiancée's father—an Admiral—expect of him.

Hoping to alter the events of the past, a 19th-century inventor instead travels 800,000 years into the future, where he finds mankind divided into two warring races.

Milo and Kida reunite with their friends to investigate strange occurances around the world that seem to have links to the secrets of Atlantis.