Reverse the polarity of the spoiler flow! Proceed with caution if you're yet to watch the new "Doctor Who" episode "The Story & the Engine". In "The Story & the Engine", the Doctor stops off for a haircut in Lagos,

Doctor Who S02E05: "The Story and the Engine" is Inua Ellams' multilayered & deeply personal meditation on the show and the nature of stories.

Speaking previously to RadioTimes.com, writer Inua Ellams emphasised the importance of storytelling in The Story and the Engine. He said: "Storytelling is how the men let each other into their most intimate spaces, but it's also what powers friendships across the world.