Happy Times and Places 31.1 - The Impossible Planet

Ooh. This, one of the most chilling episodes of Doctor Who was transmitted on one of the hottest days of the year. Not ideal with an ice lolly, it's a story best experienced in the dark. Special guest, podcaster Nick Randell, goes above and beyond the call of duty with his contribution outlining his love for these episodes - can guest Toby Hadoke guess what Nick's favourite things are? And what is the secret of Sylvia and Keith?