In the fourth season, the futuristic submarine Seaview and its crew had four
time-traveling escapades, including the finale.
Suppose we had a working time device. Would we be able to get back aboard Seaview before the explosion, find out what caused it, and prevent it
from happening?
DEBUT
Voyage to the Bottom of the Sea (3 December 1967).
VARIANTS
Debut. Voyage to the Bottom of the Sea (3 December 1967).