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"This is a conch shell, I love finding this. You can hear the ocean, if you listen. That's funny. The ocean sounds like a...oh it's the telephone!"
— The Harbour Master

Northumberland is Missing

David Coole


Andrew Cochran


Andrew Cochran
Jeff Rosen


The Harbour Master
(Denny Doherty)

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Theodore and the
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Emily Goes

Northumberland is Missing is the eighteenth episode of the fourth season.


Northumberland Submarine wanders into an underwater cave without telling anyone where he is going. It does not seem to matter until he gets stuck. Theodore and Rebecca notice that Northumberland is missing. When they finally locate him, it takes a lot of persistence and teamwork to rescue the frightened sub. Once out of the cave, Northumberland recognizes how important it is to let people know where he is going.


Video Release


Northumberland is Missing14:57

Northumberland is Missing

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