Channel 4 2026 - 2 seasons 8 eps 18 Returning series

999: What Happened Next

2026 - 2 seasons 8 eps 18

7.0

Season 2

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Season 1

Season 2

All episodes

47 min

S2 · E1 · Sep 7, 2026

Episode 1 Episode 1

A passenger on a London-bound train notices something deeply disturbing on another traveller’s phone. And across the Fens, officers investigate a series of high-value vehicle thefts.

47 min

S2 · E2 · Sep 14, 2026

Episode 2 Episode 2

A missing person investigation goes from a kidnapping to something more sinister. In Hertfordshire, officers pursue a predator who's targeting elderly victims at cash points.

47 min

S2 · E3 · Sep 21, 2026

Episode 3 Episode 3

A woman preparing for a Christmas night out is brutally stabbed in her own home. And detectives pursue an international burglary gang who are raiding affluent Surrey homes.

47 min

S2 · E4 · Sep 28, 2026

Episode 4 Episode 4

A dead body is found in a North Wales nature reserve, revealing a deeply disturbing and sinister murder in the family. And a high-end crime gang is running loose in West Mercia.

4 episodes in Season 2

Some details come from TheTVDB.

999: What Happened Next