"hidden" Episode #3.5(2021) May 2026

What separates Hidden from standard police procedurals is its refusal to paint the world in black and white . In Episode 5, this is exemplified through the character of Siôn Thomas (played with agonizing brilliance by Sion Ifan) :

This revelation places the audience ahead of the police . We watch in agonizing suspense as DCI Cadi John and DS Owen Vaughan frantically piece together what we already know, desperate to stop Siôn before he takes his brother on a final, doomed "adventure" . 🛑 Internal Conflict and Isolation "Hidden" Episode #3.5(2021)

A standout sequence involves Glyn successfully defending his birds from a bird of prey . Siôn uses this as a dark metaphor to justify his violent actions to Glyn: he is simply doing what must be done to protect his own . What separates Hidden from standard police procedurals is

The interview with former farm worker Dafydd O’Connell provides the missing link . He reveals a long-buried secret about a past arson and the smell of a Jerry can , finally connecting the murder of Father McEwan to the historical tragedy surrounding the Williams family . 🛑 Internal Conflict and Isolation A standout sequence

Ultimately, Season 3, Episode 5 of Hidden is a devastating look at how unresolved grief and silence can twist human emotions until they become monstrous . The show doesn't excuse Siôn's crimes, but by establishing their deeply tragic context, it forces the viewer to sit with the uncomfortable reality of his humanity . It is a bleak, beautifully shot, and incredibly moving hour of television that perfectly sets the stage for the series' grand finale . REVIEW Craith (S3 E5/6) - The Killing Times

Siôn is not a typical, mustache-twirling villain . He is a man utterly destroyed by the burden of being the sole protector of his brother Glyn, who has Down's syndrome, after being repeatedly failed by social systems .