Godzilla: The Series S01E15 - Competition

A trip to Japan to investigate a number of mysterious disappearances leads to a battle of wills between H.E.A.T. and the Japanese military, who perceive Godzilla to be a threat. However, the real threat is revealed to be anophidiaphobic's nightmare: the mutant King Cobra has escaped from Monster Island. Things lead to a climactic showdown in Tokyo between him and Godzilla.