The Clones
S2, E11: A giant scientist experimenting with cloning technology succeeds in cloning Valerie and Barry. These are returned to the camp -- where they prepare a booby trap to kill the rest of the earthlings.

S2, E11: A giant scientist experimenting with cloning technology succeeds in cloning Valerie and Barry. These are returned to the camp -- where they prepare a booby trap to kill the rest of the earthlings.