The Beasts Are Coming - S3.E13

After an experimental satellite from Kennedy Space Center falls back to Earth it breaks, releasing deadly radioactive energy. The Super Friends then receive a distress call from the West Coast saying Death Valley is being overrun by giant desert beasts. Wonder Woman and the Wonder Twins stay behind to check the Justice League computer for more information, while the rest of the Super Friends head to Death Valley. At Death Valley they find wreckage and a man who says giant lizards had nearly destroyed the town. As Superman continues to search for the mysterious giant beasts, he stumbles upon some mutated giant earthworms that he must save some teens from.