In this week's Samuel Barnett's Unknown, they start in the ruins of a bookshop and end up meeting the ghost of a cook. Tom still has to film a self-tape and Sam still has to find Shakespeare's Cardenio.

Thanks to everyone who has downloaded Samuel Barnett's Unknown so far - here's the bit from episode one where Sam explains The Dead Spot to Tom.

It begins. The first episode of Samuel Barnett's Unknown is available, wherever you get your podcasts. Sam and Tom are on a quest around London for ghosts, a missing Shakespeare play and paid acting work.