A unique story told over two distinct halves, "Summer" follows Sam, a man drawn to a mysterious island off the British coast where he encounters a group of islanders set on preserving their traditions at any cost. "Winter" follows Helen, a strong-willed outsider who comes to the island seeking answers, but whose arrival precipitates a fractious battle to decide its fate.
| Created By | Dennis KellyFelix Barrett | |
|---|---|---|
| Status | Ended | |
| Original Name | The Third Day | |
| First Air Date | September 14, 2020 | |
| Last Air Date | October 19, 2020 | |
| Seasons | 1 | |
| Episodes | 6 | |
| Episode Runtime | 1h 0min | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom, United States of America | |
| Production Companies | Plan B EntertainmentPunchdrunkSky Studios | |
| Networks | HBO | |
