GREAT! Mystery ·

Diagnosis Murder

Friday 9 October 2026, 15:00 – 16:00 UK time

The Plague: Steve's surveillance operation into a hitman is hampered when the man falls seriously ill.

Upcoming showings

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

GREAT! Mystery

Diagnosis Murder

Sunday 11 October 2026, 04:00 – 04:50

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GREAT! Mystery +1

Diagnosis Murder

Sunday 11 October 2026, 05:00 – 05:50

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GREAT! Mystery

Diagnosis Murder

Sunday 11 October 2026, 08:10 – 09:10

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GREAT! Mystery +1

Diagnosis Murder

Sunday 11 October 2026, 09:10 – 10:10

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GREAT! Mystery

Diagnosis Murder

Monday 12 October 2026, 04:00 – 04:50

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GREAT! Mystery +1

Diagnosis Murder

Monday 12 October 2026, 05:00 – 05:50

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RTÉ One HD

Diagnosis Murder

Monday 12 October 2026, 11:30 – 12:25

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RTÉ One +1

Diagnosis Murder

Monday 12 October 2026, 12:30 – 13:25

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GREAT! Mystery

Diagnosis Murder

Monday 12 October 2026, 15:00 – 16:00

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GREAT! Mystery

Diagnosis Murder

Monday 12 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Monday 12 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Monday 12 October 2026, 17:00 – 18:00

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RTÉ One HD

Diagnosis Murder

Tuesday 13 October 2026, 11:15 – 12:10

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RTÉ One +1

Diagnosis Murder

Tuesday 13 October 2026, 12:15 – 13:10

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GREAT! Mystery

Diagnosis Murder

Tuesday 13 October 2026, 15:00 – 16:00

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GREAT! Mystery

Diagnosis Murder

Tuesday 13 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Tuesday 13 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Tuesday 13 October 2026, 17:00 – 18:00

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GREAT! Mystery

Diagnosis Murder

Wednesday 14 October 2026, 15:00 – 16:00

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GREAT! Mystery

Diagnosis Murder

Wednesday 14 October 2026, 16:00 – 17:00

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