UK TV · U&Yesterday
The Day When...: all seasons, episodes and where it airs in the UK
Quick answer · UK
The Day When... is a UK war and history series on U&Yesterday, running since 2018, with 1 season and 5 episodes.
No new season of The Day When... has been confirmed yet; the latest episode aired on Wednesday, March 21, 2018.
The Day When... seasons (1 season, 5 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 5 | February 21, 2018 | March 21, 2018 |
Original UK air dates on U&Yesterday.
Common questions
How many seasons of The Day When... are there?
The Day When... has 1 season and 5 episodes, first airing on Wednesday, February 21, 2018.
Is The Day When... still on?
No new season of The Day When... has been confirmed yet; the latest episode aired on Wednesday, March 21, 2018.
What channel is The Day When... on in the UK?
The Day When... airs on U&Yesterday. Past episodes are often available on the broadcaster's own catch-up app.
Who stars in The Day When...?
The main cast includes Robert Dauney.
Source: TVmaze (CC BY-SA), retrieved October 11, 2026.