The Gigantic Insect
A swarm of grasshoppers fly out of the cracks on the ground. Suddenly there is an excess supply of food, and carnivorous animals become stout. Then appears a grasshopper that has become gigantic by radioactivity. The carnivorous animals are too fat to move, so Leo has to fight the huge grasshopper alone. Source: tezukaosamu.net
EP 23 - The Gigantic Insect
1965
Kimba the White Lion
The series follows the adventures Leo, a young lion cub. Leo becomes king of the jungle when his father, the previous king of the jungle is killed by a human hunter.
(Source: Anime News Network)