The BEST episodes written by Sidney Marshall
#1 - Graveyard of Fools
Land of the Giants - Season 2 - Episode 25
The Earthlings become involved with twin brothers who are plotting to take over the planet.
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#2 - Missing in Action
Combat! - Season 1 - Episode 6
A mission to retrieve downed wing commander Col. Jafko (Howard Duff) goes awry when Lt. Hanley's squad mistakenly shoots the messenger who delivered the pilot's whereabouts to them. A "Maquisard" truck driver transports them to the farm where French Resistance have hidden the wounded pilot, and where he has fallen in love with the farmer's daughter, Denise (Maria Machado).
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#3 - The Death Clock
Voyage to the Bottom of the Sea - Season 4 - Episode 25
"... but the Flying Sub's my baby!" Captain Crane to Chief Sharkey Seaview's reactor is running wild -- again. Without taking the time to don protective anti-radiation gear, Captain Crane runs into the Reactor Room to shut down the pile. An explosion renders him unconscious. Although treated in Sickbay with a special anti-radiation device, the Captain does not come out of his coma-like state. Doc can find no explanation. (Apparently, Doc hasn't read the script.) Corpsman Mallory has turned that life-saving device into a time-machine. Mallory is testing his fourth-dimension gadget on Crane before using it to enslave the entire world! A warped and insane Captain Crane from the future shoots and kills Admiral Nelson, because he believes the Admiral has held him back from achieving all he should have. Maybe he's paying Nelson back for the Krueger incident.
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#4 - Dead Men's Doubloons
Voyage to the Bottom of the Sea - Season 2 - Episode 21
A 16th century pirate seemingly comes back from the grave to threaten Seaview.
#5 - Death from the Past
Voyage to the Bottom of the Sea - Season 3 - Episode 16
As World War II draws to a close, a secret underwater Nazi base is damaged during a sea battle. A Nazi scientist and his aide are accidently put in suspended animation. Thirty-five years later, the crew of the Seaview discovers and revives them. The Nazis attempt to carry out their interrupted mission: destroy the capital cities of the Allies.
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#6 - The Silent Saboteurs
Voyage to the Bottom of the Sea - Season 2 - Episode 10
Asian powers attempt to interfere with the American Space Program.
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#7 - Nightmare
Voyage to the Bottom of the Sea - Season 4 - Episode 17
Poor Captain Crane. The things he had to go through. This time, he's in the Flying Sub, when he receives a distress call from the Seaview. He comes back to his sub, only to find it abandoned -- again. But wait, there's a force-field on the spiral stairs which knocks Crane out, and there's a stranger aboard who naturally shoots at him. Eventually Crane sees the crew, and he hears the voice of Nelson calling him a traitor. It takes about an hour, and a bullet in the shoulder (fired by guess who?), before Crane discovers aliens are testing the human race. Most of what happens is a nightmare, but missiles are actually fired!