An army of alien spaceships attack Earth and threaten to destroy the human race, but a handful of survivors band together to stop the invasion.
The murder of a stockbroker who moonlighted as a male stripper is investigated. Meanwhile, Booth's mother, whom he hasn't seen in 24 years, shows up out of the blue with a special request.
Matt intervenes when a disabled ex-lawman uses his son to settle a grudge. Matt: James Arness. Doc: Milburn Stone. Kitty: Amanda Blake. Grant Lyle: Morgan Woodward. Jeffery Lyle: Robert Pine.
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