10/13/1974  To the Forbidden Frontier! Escape

Jiro frightens the ape guards with his toy snake. This nearly gets him killed when they blast his toy to pieces with their pistols but it gives Kazuko an idea. Using bed sheets and leaves plocked from plants growing outside the cell window the three humans make a snake which they use to trick the guard. Getting his gun and locking him in their cell they escape.

They eventually meet an ape child (Pepe) who is not hostile and helps them to get away from the other ape villagers who are hostile. The episode ends on a cliffhanger. Yurika is caught in a snare and as Jiro attempts to cut her down someone appears out of the woods to hold a gun on the three escapees. All the camera shows is the gun.