It's time for another trip to the Library of Impossible Things.

This week I'm delighted to be joined by my terrific friend, Andrew Sneddon.

What object will Andrew bring to the Library? Why is a trip to the Blackpool exhibition overshadowed by his brother's coat? Why are Andrew's memories of watching Doctor Who on UK Gold so sketchy? And why was the day of the TV Movie's broadcast so sad?

Find out the answers to all these questions and more in the latest episode of The Library of Impossible Things.