Marco Polo
Denise (@CupOfTea69), Sophie (@sophilestweets) and Mark (@QuarkMcMalus) discuss the first historical Doctor Who story, Marco Polo, out on vinyl now https://amzn.to/2Fpky3c You can find Josh Snares' documentary that Sophie mentions here, and his reconstruction of the first episode here. Pre-order Sophie's Time Lord Victorious story from Big Finish here.