BBC television (in-universe)

BBC television - later known as BBC One and BBC1 - was a BBC station responsible for the airing of the Doctor Who television series and other programming.

20th century
On Saturday, 30 November 1963, (PROSE: Who Killed Kennedy) BBC television broadcasted a new television series whose name began with Doc— at 5:15. Ace turned on the television while at Mike Smith's house, and at first it displayed a test card and played music. She walked away before hearing about the new science fiction series. (TV: Remembrance of the Daleks)

In the mid-to-late 1960s, Vincent Elven Wishbone tried to get into showbusiness with BBC television, but was unsuccessful. (PROSE: Biography)

In the 1970s, Godrin interrupted the third episode of a serial being broadcast on BBC1 in order to contact the Luron mothership using a radio telescope. (AUDIO: The Valley of Death)

21st century
Live footage of Sycorax leader, Fadros Pallujikaa, was broadcast on BBC One on Christmas morning in 2006, just hours before their invasion. (TV: The Christmas Invasion)

Around October 2015, the ninth series of Doctor Who aired on BBC1. (WC: The Zygon Isolation)

Behind the scenes
Doctor Who's first episode, "An Unearthly Child", aired at 5:16 on Saturday 23 November 2013, on BBC tv.

Information from invalid sources
The Sixth Doctor once told the viewers of Roland Rat: The Series to switch over to BBC1's Doctor Who. (NOTVALID: Roland Rat: The Series special)