Doctor Who is back with the second half of Series 6, kicking off with ‘Let’s Kill Hitler’. In the desperate search for Melody Pond, the TARDIS crash lands in Thirties Berlin. The Doctor comes face to face with the greatest war criminal in the Universe. And Hitler.

Old friendships are tested to their limits as the Doctor suffers the ultimate betrayal and learns a harsh lesson in the cruellest warfare of all. As precious time ebbs away, the Doctor must teach his adversaries that time travel has responsibilities. And he must succeed before an almighty price is paid.

> Order the Series 6 Part 2 DVD on Amazon.

> Order the Series 6 Part 2 Blu-ray on Amazon.

Written by Steven Moffat, ‘Let’s Kill Hitler’ airs at 7.10pm on Saturday 27th August on BBC One. In the meantime, here are some teasing lines of dialogue from the episode…

» “And the penny drops…”

» “Oh, that’s magnificent!”

» “I used to dream about you…”

» “Remain calm while your life is extracted.”

» “Oh, that works!”

» “It’s that sort of day…”

» “Now that’s fun… from every angle!”

» “Sit still. Shut up.”

» “Kiss kiss.”

» “I’m going shopping!”