UK TV · Channel 4
999: What Happened Next: all seasons, episodes and where it airs in the UK
Quick answer · UK
999: What Happened Next is a UK crime and documentary series from Channel 4, running since 2026, with 2 seasons and 8 episodes.
999: What Happened Next is still running; the latest episode aired on Monday, September 28, 2026.
999: What Happened Next seasons (2 seasons, 8 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 4 | January 27, 2026 | January 27, 2026 |
| Season 2 | 4 | September 7, 2026 | September 28, 2026 |
Original UK air dates on Channel 4.
Common questions
How many seasons of 999: What Happened Next are there?
999: What Happened Next has 2 seasons and 8 episodes, first airing on Tuesday, January 27, 2026.
Is 999: What Happened Next still on?
999: What Happened Next is still running; the latest episode aired on Monday, September 28, 2026.
What channel is 999: What Happened Next on in the UK?
999: What Happened Next airs on Channel 4, a streaming service.
Who stars in 999: What Happened Next?
The main cast includes Mark Ebulué, Steffan Rhodri.
Source: TVmaze (CC BY-SA), retrieved October 7, 2026.