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Pat and Graham take up diving and discover a large wreck, which they hope to salvage. While investigating the old ship, Graham becomes trapped in the hull by a piece of shifting equipment. With his oxygen supply depleted, Graham's only hope for survival is the quick and heroic action of his best friend.
First Air Date : Oct 01, 1972
Last Air date : Oct 13, 1997
Episode : 66 Episode
Season : 20 Season
Runtime: 30:14 minutes
Studio: CBC Television
Country: Canada
Crew:
