The Great Martian Bake-Off

As an entrant in The Great Martian Bake-Off, the Twelfth Doctor had planned to bake Mercurian macarons, when he discovered Clara Oswald had gone missing. (COMIC: Witch Hunt)

Behind the scenes
The name The Great Martian Bake-Off is a parody of the name of the then-current BBC One baking show.