BBC iPlayer (in-universe)

BBC iPlayer was a website on which one could watch past episodes of a selection of TV series. (TV: The Time of the Doctor, WC: The Zygon Isolation) The website required a TV Licence in order to be used legally. (WC: The Zygon Isolation)

The Eleventh Doctor begged Clara Oswald to learn to use iPlayer after being forced to use his TARDIS to travel back in time every time she missed a television programme. (TV: The Time of the Doctor)

On 10 May 2020, Petronella Osgood and Zygon Osgood watched an episode of Doctor Who called The Zygon Invasion on BBC iPlayer, at the website address of "bbc.co.uk/iplayer/episodes/b006q2x0/doctor-who?seriesId=b06f2y7r", with an account under the name of "Mikey". (WC: The Zygon Isolation)

Behind the scenes
Since it went live on 25 December 2007, BBC iPlayer has offered whole episodes of Doctor Who to its web users in the UK. Episodes initally stayed online for seven days following the story's initial television broadcast. Currently, however, Doctor Who operates on a "series catch-up", where episodes are released following their broadcast and all remain until a week after the broadcast of the current series' final episode.

Doctor Who Extra was an iPlayer exclusive in the UK after its attached episode's broadcast.

Class was originally premiered on the BBC Three section of the Player between 9:30 - 10:00.

The inventor of iPlayer, Ben Lavender, appears in the documentary Interweb of Fear.