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It’s our Halloween special from a rain-soaked Jodrell Bank in Cheshire.

We find out what you can see in a dark, dark Halloween night sky with space-watcher and Professor of astrophysics Tim O’Brien.

Also this week, we meet some blood-sucking leeches, the horrors of pumpkin waste and could zombies ever be real?

Presenter: Victoria Gill
Producers: Ella Hubber, Sophie Ormiston & Gerry Holt
Editor: Martin Smith
Production Co-ordinator: Jana Bennett-Holesworth 

To discover more fascinating science content, head to bbc.co.uk search for Â鶹ԼÅÄ Inside Science and follow the links to The Open University.