Up, Up, and Away (Almost) / The Whistling Craters When T.E.D's bungled attempt to drive the Lunar Crawler leaves them trapped inside a cave, it's up to Jim, Rover and Ripple to find themselves a means of escape. Putting their heads together, the team comes up with a solution that acknowledges the gravity of the situation. Jim and his friends hunt for the source of a whistling sound in the Ecodome.