It's winter and it's dark and too cold to play outside. The Squirrels wonder what Duggee is up to, he seems to be looking through a long stick out of the window. What's that, Duggee? Duggee explains that it's a telescope, and he's looking at things far far away in space. The Squirrels are keen to have a go too but first Duggee tells them about the solar system, and in order to help him they must all dress up as planets.

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