Sealab 2020 (1972)
S1E10 The Challenge
An archaeologist recruits Hal, Ed, and Gail to help recover ancient Mayan gold artifacts that are hidden in the hold of a ship that sank during World War I.
An archaeologist recruits Hal, Ed, and Gail to help recover ancient Mayan gold artifacts that are hidden in the hold of a ship that sank during World War I.