Battle of the Planets - Mammoth Shark Menace

Seizoen: 1 - Aflevering: 47 / 47 - Eerst uitgezonden: 13 augustus 1979 - Episode ID: 401583

Zoltar releases a poisonous pollutant into the ocean which is killing all the fish in the ocean. G-Force has to stop the him before the Earth's entire ecosystem is destroyed.