Y Gwyll / Hinterland is produced by Fiction Factory in association with S4C, Tinopolis, BBC Cymru Wales, the S4C Co-Production Fund and ALL3MEDIA International ltd. The series includes 4 stories - each of 120 minutes duration – and has been produced bilingually in both Welsh and English simultaneously.
How to watch
In Wales: Sky 104, Freeview 4; Freesat 104; Virgin TV 166.
In England, Scotland and Northern Ireland: Sky 134; Freesat 120; Virgin TV 166.
Online across the UK on S4C’s website - s4c.co.uk/clic - where it is available on demand for 35 days.