Voyage to the Bottom of the Sea was a great show. The sub was the Seaview and it was taken from a movie
of the same name staring Walter Pidgeon (as the Admiral) and Peter Lore (as a good-guy, scientist). The plot involve the atmosphere being on fire and literally cooking
Between this and Time Tunnel, Lost
in Space, Wild Wild West, Get Smart, Man from UNCLE and Secret Agent Man (from England), I feel that Family/Kids TV was at its apex.
Regetably those days are gone.