The Aquanauts
Season 1, Episode 16: Secret at Half Moon Key
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Preferring to go skin diving with two pretty girls, Larry and Mike refuse a job offer from Elmer Burnside. While they're diving, a strange thing descends into the watery depths.
All Episodes - Season 1
Episode 1
The Paradivers
Episode 2
The Collision (aka Divers to the Deep)
Episode 3
Rendezvous: 22 Fathoms
Episode 4
Safecracker
Episode 5
Deep Escape
Episode 6
Stowaway
Episode 7
Disaster Below
Episode 8
Arms of Venus
Episode 9
Night Dive
Episode 10
The Cavedivers
Episode 11
The Big Swim
Episode 12
The Underwater Demolition
Episode 13
The River Gold
Episode 14
The Niagara Dive
Episode 15
Killers in Paradise
Episode 16
Secret at Half Moon Key
Episode 17
Stormy Weather
Episode 18
The Amored Truck Adventure
Episode 19
The Defective Tank Adventure
Episode 20
The Jeremiah Adventure
Episode 21
The Tidal Wave Adventure
Episode 22
The Radioactive Object Adventure
Episode 23
The Double Adventure
Episode 24
The Margot Adventure
Episode 25
The Rainbow Adventure
Episode 26
The Frankie Adventure
Episode 27
The Guilty Adventure
Episode 28
The Landslide Adventure
Episode 29
The Kidnap Adventure
Episode 30
The Stakeout Adventure
Episode 31
The Scavenger Adventure
Episode 32
The Diana Adventure