The Bells of Saint John (TV story)

 was the sixth episode of the seventh series of Doctor Who produced by BBC Wales. It introduced a new companion to the show, although she had, in different forms, previously appeared in both TV: Asylum of the Daleks and The Snowmen. It also reintroduced the Great Intelligence, who had last appeared in TV: The Snowmen.

Synopsis
The Doctor's search for Clara Oswald brings him to modern-day London, where Wi-Fi is everywhere. Humanity lives in a Wi-Fi soup. But something dangerous is lurking in the signals, picking off minds and imprisoning them. As Clara becomes the target of this insidious menace, the Doctor races to save her and the world from an ancient enemy.

Plot
to be added

Cast

 * The Doctor - Matt Smith
 * Clara Oswald - Jenna-Louise Coleman
 * Miss Kizlet – Celia Imrie
 * Mahler – Robert Whitlock
 * Alexei - Dan Li
 * Nabile – Manpreet Bachu
 * Paul – Sean Knopp
 * The Abbot – James Greene
 * George – Geff Francis
 * Angie – Eve de Leon Allen
 * Artie – Kassius Carey Johnson
 * Little Girl – Danielle Eames
 * Barista – Fred Pearson
 * Waitress – Jade Anouka
 * Newsreader – Olivia Hill
 * Child Reading with Comic – Isabella Blake-Thomas
 * Man with Chips – Matthew Earley
 * Pilot – Antony Edridge
 * Great Intelligence - Richard E. Grant

Story notes

 * As is routine for post-2005 Doctor Who, a "NEXT TIME" trailer for the next episode is shown at the end of the episode.

Ratings
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Filming locations
to be added

Production errors
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Continuity

 * The Doctor mentions that Angie, one of the children Clara babysits, went to stay over at Nina's. (TV: Asylum of the Daleks)
 * After saving Clara from being downloaded, the Doctor sends a message to her attempted captors stating that she's "under my protection." (TV: ''The Christmas Invasion, The Eleventh Hour)

Home video releases
to be added