Doctor Who returns for season 12 with the first episode, titled Spyfall Part 1, airing today at 18:55 on BBC One. The synopsis on the BBC website reads; “Intelligence agents around the world are under attack from alien forces, so MI6 turn to the only people who can help: the Doctor and friends. As they travel the globe looking for answers, attacks come from all sides. Earth’s security rests on the team’s shoulders, but where will this planet-threatening conspiracy lead them?”