TV series
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The story of how Detective Superintendent Steve Fulcher deliberately breached police procedure and protocol to catch a killer, a decision that ultimately cost him his career and reputation.
Streaming, rental and purchase options
Checked Jul 22, 2026
A Confession is available to stream on Britbox, Britbox (Via Amazon Prime), and Tubi in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
The story of how Detective Superintendent Steve Fulcher deliberately breached police procedure and protocol to catch a killer, a decision that ultimately cost him his career and reputation.
Choose an episode, then use the watch options above for the show.
Episode 1
Sian O'Callaghan goes missing after a Friday night out in Swindon Old Town. As the family desperately waits for news, the police search for any clues to where she could be.
Guest stars Jonny Lavelle, Matthew Duckett
Episode 2
The hunt for Sian O'Callaghan continues as Det Supt Steve Fulcher and his team see suspects come and go with no leads to follow.
Guest stars Jonny Lavelle
Episode 3
Detective Superintendent Steve Fulcher takes chief suspect Christopher Halliwell to a remote location to question him about Sian O'Callaghan's disappearance.
Guest stars Evelyn Hoskins, Karl Farrer
Episode 4
The families of Sian and Becky discover that, despite the confession of Christopher Halliwell, getting justice for their loved ones will not be straightforward.
Guest stars Evelyn Hoskins, Caroline Langrishe
Episode 5
Detective Superintendent Steve Fulcher is lionized in the media for leading an investigation that recovered not one, but two bodies murdered by serial killer Christopher Halliwell. But behind the scenes he is facing a disciplinary hearing.
Where to watch A Confession
Episode 6
Karen takes her fight for justice all the way to Downing Street, but it proves fruitless. Fulcher's scandalous actions cost him. Last in the series.
Guest stars Karl Farrer
Episode information updated Jul 24, 2026
Martin FreemanSteve Fulcher
Siobhan FinneranElaine Pickford
Imelda StauntonKaren Edwards
Peter WightCharlie Edwards
Derek RiddellPete
Owain ArthurDI Sean Memory
Jake DaviesLiam O'Callaghan
ITV1United Kingdom
