S4·E20 The Human Duplicators

In the theater, the crew watches as an alien takes over a lab on Earth to create android clones to infiltrate the government in "The Human Duplicators" (1965). Meanwhile, on the SOL, Tom Servo decides to duplicate himself, but finds that his clones aren't blindly obedient like he'd hoped. This episode features Michael J. Nelson as Hugh Beaumont and Kevin Murphy as William Conrad.