Godzilla: The Series S02E05 - Freak Show

When circus master Tobias Wilson brings his 'Mutant Mania' circus to Manhattan, things go badly wrong when a mutated sea anemone, called Medusa, escapes her tank and goes on the rampage. When the team discover the creature is sucking water out of her victims, as she needs the electrolytes found in water to survive, the race is on to stop Medusa before she drinks every drop of water on the planet.