The Third Day - Season 1 - Eps 1: Friday - The Father
After Sam, a London family man in crisis, rescues a troubled young girl in the woods, he brings her home to the ominous Osea Island, where inhabitants are preparing for a curious annual festival involving the island's history. As he meets Osea's secretive locals, Sam grows increasingly desperate to return to the mainland to make an important call - but the island proves difficult to escape.
About The Third Day

Title: The Third Day
First Air Date: 2020-09-14
Last Air Date: 2020-10-19
Status: Ended
Rating: 6.5/10 (from 201 votes)
Language: EN
Seasons: 2
Total Episodes: 6
Network: HBO
Genres: Mystery, Drama, Sci-Fi & Fantasy
Production Companies: Plan B Entertainment, Punchdrunk, Sky Studios
Synopsis
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.
Cast

Jude Law
Sam

Katherine Waterston
Jess

Freya Allan
Kail

John Dagleish
Larry

Mark Lewis Jones
Jason

Börje Lundberg
Professor Mimir

Paddy Considine
Mr. Martin

Emily Watson
Mrs. Martin