Doctor Who: Gallifrey Public Radio Keir Hansen, Jay Witten, Haley Malle, Julie Hansen

The many and varied mysteries of the Fifteeth Doctor's first series are drawing together with an expected -- yet unpredicted -- classic twist.

The Doctor and Ruby cross paths with a brusque, brooding bounty hunter while contending with nefarious shapeshifters in Regency England.

The monsters are most definitely within the walls of Finetime as the Doctor and Ruby try to help from the other side of a display screen.

With the Doctor gone, Ruby is left alone with an unidentifiable stalker and a world seemingly turned against her.

Tensions are sky-high in a deep crater as Ruby tries to help the Doctor contend with a landmine, an overly 'helpful' medic robot, and the war-profiteering Villengard Corporation.

The delightfully insane Maestro intercepts the Doctor and Ruby's visit to the Beatles' first recording session, and alters history by stealing the world's music.