Thunderstone

Episode 7 (3x7)

Air date: Jul 28, 2000

Apra commences construction of a robot drone which will deliver the E-Delta kids' revenge on Earth. Arushka is furious when Drako brings animals from the Wildlife Reserve through a huge wormhole — how will they survive on E-Delta? Meanwhile, Noah and Liz are "borrowing" equipment from their now off-limits lab in order to construct a makeshift wormhole transporter.