In the year 2020 Earth is under threat from Martian androids who want revenge on the human race. An organization is set up on Earth called Terrahawks, which is top secret to the rest of the world.
Zelda tries again. This time she spends a second Lord Sram to Earth and the alien manages to sabotage the Overlander in a valley. He boards it and sets out on a collision course with a refinery.
S1E13 23 min