S01 · E08

An Echo of Danger

Nov 22, 196425mRating 7.0

While out on escort patrol, Phones hears a mysterious sound through his headset. But when Stingray leaves the escort to investigate, the crew are unable to locate the source. Beginning to doubt his senses, Phones visits a psychiatrist - unaware that the doctor is none other than Surface Agent X20 in disguise.

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An Echo of Danger

Episodes

Stingray

Emergency Marineville

The Ghost Ship

Subterranean Sea

Loch Ness Monster

Set Sail for Adventure

The Man from the Navy

An Echo of Danger

Raptures of the Deep

Titan Goes Pop

In Search of the Tajmanon

A Christmas to Remember

Tune of Danger

The Ghost of the Sea

Rescue from the Skies

The Lighthouse Dwellers

The Big Gun

The Cool Cave Man

Deep Heat

Star of the East

Invisible Enemy

Tom Thumb Tempest

Eastern Eclipse

Treasure Down Below

Stand by for Action

Pink Ice

The Disappearing Ships

Secret of the Giant Oyster

The Invaders

A Nut for Marineville

Trapped in the Depths

Count Down

Sea of Oil

Plant of Doom

The Master Plan

The Golden Sea

Hostages of the Deep

Marineville Traitor

Aquanaut of the Year

The Reunion Party