Shadowman Voyage to the Bottom of the Sea : Season 3 Episode 21
TV-G (self-applied) ABC 52m int(0)
Aired: February 12th, 1967 @ 12:00 AM EST on ABC
The Seaview takes on a skeleton crew and is being used to guide a new interstellar space probe. However, Chip Morton is taken over by an alien shadow man which wants to stop the probe.