Complex sentence: "The Time of the Doctor" is the 800th episode of the British science fiction television programme "Doctor Who", written by Steven Moffat and directed by Jamie Payne, and was broadcast on 25 December 2013 on BBC One.
Split into simpler sentences: The Time of the Doctor is the 800th episode of the British science fiction television programme "Doctor Who". Written by Steven Moffat and directed by Jamie Payne, it was broadcast on 25 December 2013 on BBC One.