Diplodo is a French-Japanese cartoon series, created by Jean Chalopin and Bruno Bianchi, that originally ran from 1987 to 1988.
The series centers on Peter and Joan, two children who make friends with five Diplodorians, dinosaur-like creatures from the parallel universe planet Diplodorianrex. They have arrived to protect Earth from Santos and his henchmen, attempting revenge after Diplodorianrex shielded itself against them.
The Hunger Sickness (S01E03)
The world is suffering from a disease that makes them eat everything, so Joan and the Diplodorians set out to stop Santos from unleashing it.