Godzilla: The Series S01E03 - D.O.A.

H.E.A.T. are called to help the Central America Republic of Costo Rojo deal with "El Gusano Gigante", a mutated worm that is devouring untold amounts of crops. The country's ruler, General Albondiga, uses an experimental bio-weapon against the worm and Godzilla, but the worm is only strengthened by the attack. Mendel must synthesise an antidote for the poisoned Godzilla, then find a way to defeat El Gusano without Albondiga interfering.