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Naval ships have been disappearing, and Seaview is on a hunt for the undersea installation responsible. They find a sea-lab that is not only well-armed but surrounded by overgrown and ferocious sea-creatures. To complicate matters, the guest expert aboard is a traitor. Various "dangerous denizens" of the deep from earlier episodes reappear here, thanks to re-used footage: there's a whale, and one of those globular-eyed bottom-dwelling monsters seen in such episodes as "Deadly Creature Below".
Ngày phát sóng đầu tiên : Sep 14, 1964
Ngày phát sóng cuối cùng : Mar 31, 1968
Tập phim : 110 Tập phim
Mùa : 4 Mùa
Thời gian chạy: 50 phút
Studio: ABC
Quốc gia: United States of America
Phi hành đoàn: