Doctor Who Extra is a documentary series created by the BBC as a complement to the long-running British science fiction television series Doctor Who.
[4] Series 2 was initially released online as clips on the BBC YouTube channel after the broadcast of the weekly television episode on BBC One.
Although carrying the Extra name, they differ in content and presentation.
They continue in the same format as Series 1 on home media releases as extras.
Home media releases for the series also include an "Inside Look" into each of the episodes, episodic features that will include behind the scenes footage, cast interviews and the inside story.