Tonton Streaming M.A.S.K. (1985) S1E13 - The Creeping Terror

Location: Some Jungle VENOM has genetically altered caterpillar eggs to create giant caterpillars. They are using the giant caterpillars to clear away the vegetation in the jungle to reveal a map carved on the jungle floor. The map leads to the Hidden Valley, the location of an ancient source of great power -- a Myan crystal.