The episode in which Mike and Laura find themselves in the midst of a splashy splashy burney death zone, and Mike gets to fulfil a lifelong ambition.

• Has Mike unlocked the secrets of successful communism?

Here are the details of the Viking compass and coasters, if you fancy playing along yourself.

Skål!

PS I've taken some liberties with Norse mythology for the sake of the puzzle. If you want a primer on some Norse myths, and like your tunes on the heavier side, I recommend listening to the track Emblas Saga by Brotherhood of Metal. It's pretty wild.

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