ITV

ITV was a broadcasting company active since the 20th century. The programs broadcast included the television series Armchair Theatre (PROSE: The Taint, The Ancestor Cell) and The Cook Report. (PROSE: The Dying Days)

An ITV reporter was present at the Silurian conference. (AUDIO: The Coup)

In 2007, Kathy Nightingale and Sally Sparrow discussed their own series of adventures, to be called "Sparrow and Nightingale", and suggested it air on ITV. (TV: Blink)

In response to the BBC series Surrender, Earthlings!, ITV tried to make their own rival sci-fi series, Invasion of Earth, but this did so poorly it nearly bankrupted the network. (PROSE: Not So Much a Programme, More a Way of Life)

Alternate timelines
In an alternate universe, ITV1 aired the series, Detects Factor, hosted by Sherlock Holmes. (PROSE: Just a Minute...)

Behind the scenes
ITV has also been mentioned in non-valid sources:
 * The Tenth Doctor, when addressing the player, told him not to use the TV remote control, which was recently disconnected from the sonic screwdriver, to switch over to ITV, lest the galaxy imploded. (NOTVALID: Attack of the Graske)
 * When the Eleventh Doctor saved Albert Hall from being blown up, one of the side effects noted was that ITV went off air. (Doctor Who at the Proms (2010))

ITV airs Coronation Street, Emmerdale, and The Chase. It formerly aired Trisha Goddard.

It also aired Thunderbirds in the 1960s. Though not a Doctor Who spin-off, the series was established by the contemporary tie-in comics in TV Century 21 to take place in the same universe as The Daleks, and thus, by association, Doctor Who itself. This was directly shown in one TV episode of Thunderbirds, The Man from MI.5, where a report about the Dalek invasion of Solturis (as seen in The Penta Ray Factor) was seen among the papers of a 2060s British Secret Service member. This ironically means that the first licensed appearance of the image of a Dalek on TV outside Doctor Who occurred not on the BBC but on its rival channel ITV.