Quick answer · Season 1
Agatha Christie's Tommy & Tuppence season 1 is airing now on BritBox. Episode 4 is on Tuesday, September 29, 2026.
The finale is Tuesday, October 13, 2026.
- U.S. premiere
- September 15, 2026
- Where
- BritBox
- Time
- Not announced
- Episodes
- 6
- Finale
- October 13, 2026
Where to watch Agatha Christie's Tommy & Tuppence season 1 in the U.S.
Season 1 episode schedule
| Ep. | U.S. date | Time | Status |
|---|---|---|---|
| 1 | [1] | Time not announced | Announced |
| 2 | [1] | Time not announced | Announced |
| 3 | [2][4] | Time not announced | Projected |
| 4 | [2][4] | Time not announced | Next |
| 5 | [2][4] | Time not announced | Projected |
| 6 | [2][4] | Time not announced | Projected |
"Projected" dates follow the announced weekly pattern but were not individually listed by the platform. We replace them when a listing is published.
Dates are U.S. dates. Broadcast times are the network's national slot; your local station may differ.
About Agatha Christie's Tommy & Tuppence
A contemporary adaptation of Agatha Christie's Tommy and Tuppence stories, with Antonia Thomas and Josh Dylan as the amateur detectives and Imelda Staunton as Aunt Ada. It was produced by Lookout Point in association with Agatha Christie Limited and premiered in North America on BritBox.
Season 1: Six episodes of about 45 minutes. Two premiered on September 15, 2026, and the remaining four follow weekly on Tuesdays.
- Originally from: BritBox (North American premiere) (first aired September 15, 2026)
- Based on: Agatha Christie's Tommy and Tuppence stories
- Cast: Antonia Thomas (Tuppence), Josh Dylan (Tommy), Imelda Staunton (Aunt Ada)
Common questions
Where can I watch Tommy & Tuppence in the U.S.?
On BritBox, which premiered the series in North America on September 15, 2026.
When is the last episode?
With two episodes at launch and weekly Tuesday releases after that, episode 6 falls on October 13, 2026. That date is derived from the announced pattern.
Has it aired in the U.K.?
Not when we checked; the U.K. release was listed as to be confirmed.
Related guides
Sources
We check each date against the sources below. If they disagree, we say so rather than picking one.
Update history
- Hub published mid-run.
Spotted something out of date? Tell us.
