Where Dangers Are Many

Aired October 21, 1972.

Sealab crew investigates a disturbance to find an automatic bottom-dredging mining operation in their area. The captain of the operation, Samuel Carlson, gets trapped under his dredge and is rescued by Sealab. While Carlson is decompressing after having received medical attention at Sealab, the crew manage to convince him to allow them 24 hours to demonstrate how to mine less destructively.