Doctor Who Series 9: 22 Easter Eggs You Need To See

17. The Shepherd Boy

How many seconds in eternity? The Doctor spends an eternity, or 4.5bn years (which is approximately a lot of seconds), trying to break free of his prison and escape his demons in Heaven Sent, which leads him to quoting The Shepherd Boy, a fairytale from the Brothers Grimm ("lovely fellas" who are on his darts team, apparently). The story is a rather fitting one, telling the story of a mountain of pure diamond, and a bird who comes every year to sharpen its beak on it, eventually chiselling the mountain away entirely. Now that's one hell of a bird.
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Contributor

NCTJ-qualified journalist. Most definitely not a racing driver. Drink too much tea; eat too much peanut butter; watch too much TV. Sadly only the latter paying off so far. A mix of wise-old man in a young man's body with a child-like wonder about him and a great otherworldly sensibility.