Former "Doctor Who" showrunner Steven Moffat returns to the show to write episode 3 of the Fifteenth Doctor's first full season and, as you'd expect, it's a typically high-concept story.
In "Boom", Moffat — the man behind classic adventures like "The Girl in the Fireplace," "Blink" and "Heaven Sent" — takes the TARDIS to a war zone, and ensures that the Doctor has to spend the entire episode (more or less) with his foot on a sophisticated landmine.
