Barrier Reef
Season 1, Episode 31: The Tunnel
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When the roof of a cave below the Great Barrier Reef collapses and traps one of the Minus Five divers, the others have to work against time to rescue him.
All Episodes - Season 1
Episode 1
Rendezvous
Episode 2
Galleon
Episode 3
Something Beginning with M
Episode 4
Strange Cargo
Episode 5
The Pewter Chalice
Episode 6
The Cannon Of Nemora
Episode 7
The Pirates
Episode 8
Old Gold
Episode 9
Slipway
Episode 10
When Big Fish Die
Episode 11
Russians Are Red
Episode 12
Cyclone
Episode 13
Assignment in Shute
Episode 14
Thursday Girl
Episode 15
Nothing But The Truth
Episode 16
White Death
Episode 17
Echoes From The Past
Episode 18
A Matter of Money
Episode 19
Scotch on The Rocks
Episode 20
God Bless Her
Episode 21
Let Sleeping Dogs Lie
Episode 22
Sea Fever
Episode 23
Shark Bait
Episode 24
The Tripod
Episode 25
Coconut Ice
Episode 26
Moon Shot
Episode 27
The Speckled Stone Fish
Episode 28
The Old Skipper
Episode 29
Sell Out
Episode 30
Black Diamond
Episode 31
The Tunnel
Episode 32
Sanctuary Cay
Episode 33
The Missile
Episode 34
His Majesty Regrets
Episode 35
Voices In The Deep
Episode 36
Pilgrims Progress
Episode 37
Oysters Never Tell
Episode 38
Bird Cage
Episode 39
The Fence