29. The Eleventh Doctor's Farewell
From: "The Time of the Doctor"
Premiere: December 25, 2013
You knew that Matt Smith's swansong would be big; accordingly, this explosive finale finally reveals what's been hidden on the other side of the crack in little Amelia Pond's wall, ties up a few other lingering mysteries seeded throughout the Eleventh Doctor's journey, and culminates in a massive showdown in which the Doctor uses his regeneration energy to blow a Dalek threat out of the sky. Still, the real magic of this episode is in its smallest details, revealing in full the Doctor's magnanimous heart – err, hearts.