what is its genre?
Science fiction
Doctor Who (series 11)
The eleventh series of the British science fiction television programme "Doctor Who" premiered on 7 October 2018 and concluded on 9 December 2018. 
when is season 11 doctor who coming out It aired between 7 October 2018 and 9 December 2018 who are the characters? The Doctor and her companions Graham O'Brien, Ryan Sinclair, and Yasmin Khan are the main characters.
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Doctor Who (series 11) [SEP] Introduction
The eleventh series of the British science fiction television programme "Doctor Who" premiered on 7 October 2018 and concluded on 9 December 2018. The series is the first to be led by Chris Chibnall as head writer and executive producer, alongside executive producers Matt Strevens and Sam Hoyle, after Steven Moffat and Brian Minchin stepped down after the tenth series. This series is the eleventh to air following the programme's revival in 2005 and is the thirty-seventh season overall. It also marks the beginning of the third production era of the revived series, following Russell T Davies' run from 2005–2010, and Moffat's from 2010–2017.