Ruby learns the Doctor's amazing secrets when he takes her to the far future. There, they find a baby farm run by babies. But can they be saved from the terrifying bogeyman?

Caught in the middle of a devastating war on Kastarion 3, the Doctor is trapped when he steps on a landmine. Can he save himself and Ruby, plus the entire planet... without moving?

The Doctor and UNIT investigate Ruby's past. But as the Time Window reveals horrifying secrets from Christmas Eve, the mysterious Triad Technology unleash the greatest evil of all.