Season 1
Episodes
1 Deep Threat Sep 9, 1972 
2 Lost Sep 16, 1972 
3 Green Fever Sep 23, 1972 
4 The Singing Whale Sep 30, 1972 
5 The Shark Lover Oct 7, 1972 
6 The Basking Shark Oct 14, 1972 
7 Where Dangers Are Many Oct 21, 1972 
8 Backfire Oct 28, 1972 
9 The Deepest Dive Nov 4, 1972 
10 The Challenge Nov 11, 1972 
11 Collision of the Aquarius Nov 18, 1972 
12 The Capture Nov 25, 1972 13 The Arctic Story Dec 2, 1972