A number of officially licensed audio productions based upon the long-running British science fiction television series Doctor Who have been produced over the years. The canonicity of the various audio adventures has not been confirmed. While it is a question that has vexed fans, it appears that, broadly, the BBC care little about the matter, as Doctor Who has no official canon. The first season of the new television series made no explicit references to the audio adventures, partly to keep the programme accessible to a wide audience, and partly in obedience to BBC guidelines about the relationship between public broadcasting and commercially licensed material. However, by 2013, the BBC Red Button minisode "The Night of the Doctor" referenced the Eighth Doctor's companions from the audio p