Season 1
- 1Deadly Blackmail8 Mar 1978
- 2Duel in the Deep15 Mar 1978
- 3Atlantis Dead Ahead22 Mar 1978
During naval exercises in 1978, Captain Nemo is found in suspended animation aboard his submarine Nautilus beneath the Pacific Ocean. Revived by members of a modern-day US Government agency, Nemo is persuaded to rescue United States interests and in so doing battles Professor Cunningham, a mad scientist.