The opening episodes of this spin-off from 'Stargate SG-1'. The series follows four explorers of distant worlds, who travel via an interplanetary portal, the Stargate. Following the discovery of what they believe to be the remnants of the Lost City of the Ancients, the team investigate. The team also have a race against time to reach the Stargate after their puddle jumper breaks down. Episodes are: 'Rising Part 1', 'Rising Part 2', 'Hide and Seek' and 'Thirty Eight Minutes'.