Parts: 1 (60-minute)
Writers: Steven Moffat
Airdates: 05 December 2015
Production Code: n/a

Doctor: twelfth
Companion: Clara

Story: Finding himself on Gallifrey for the first time since its restoration, the Doctor immediately returns to his childhood home to await the arrival of the Gallifreyan forces, some of whom, he is informed, want to see him dead.

On the Doctor's agenda: toppling the corrupt Gallifreyan government, and figuring out a way to rescue Clara from certain death...