Thunderstone

Episode 13 (3x13)

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Noah discovers the secret to making E-Delta fertile, but first he must stop the Thunderstone Ring from crushing Earth. The strain of executing the strike on Earth has made E-Delta unstable and the kids are evacuated from the Bioplex in the hope that salvation will arrive before the red giant rises. Noah must bring the thunderstone ring through space-time in a crazy attempt to save two worlds and right past mistakes.