Voyage to the Bottom of the Sea (1964)
S2E13 The Monster from Outer Space
A space probe makes its way back to Earth and is retrieved by the Seaview, but upon its arrival, it inadvertently releases an alien life form on the submarine.
A space probe makes its way back to Earth and is retrieved by the Seaview, but upon its arrival, it inadvertently releases an alien life form on the submarine.