Quest Red+1 ·

A Killer's Mistake

Tuesday 13 October 2026, 13:00 – 14:00 UK time

Williams. The disappearance of Denise Williams' husband leaves her devastated. But, when his mother investigates, she discovers the heart-wrenching truth of his demise. S4, Ep4

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

Quest Red ROI

A Killer's Mistake

Friday 9 October 2026, 12:00 – 13:00

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Quest Red

A Killer's Mistake

Friday 9 October 2026, 12:00 – 13:00

→

Quest Red+1

A Killer's Mistake

Friday 9 October 2026, 13:00 – 14:00

→

Quest Red ROI

A Killer's Mistake

Monday 12 October 2026, 12:00 – 13:00

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Quest Red

A Killer's Mistake

Monday 12 October 2026, 12:00 – 13:00

→

Quest Red+1

A Killer's Mistake

Monday 12 October 2026, 13:00 – 14:00

→

Quest Red ROI

A Killer's Mistake

Tuesday 13 October 2026, 12:00 – 13:00

→

Quest Red

A Killer's Mistake

Tuesday 13 October 2026, 12:00 – 13:00

→

Quest Red ROI

A Killer's Mistake

Wednesday 14 October 2026, 12:00 – 13:00

→

Quest Red

A Killer's Mistake

Wednesday 14 October 2026, 12:00 – 13:00

→

Quest Red+1

A Killer's Mistake

Wednesday 14 October 2026, 13:00 – 14:00

→