The Third Day - Season 1 - Eps 2: Saturday - The Son
Plagued by a disturbing dream, Sam awakes to find himself in a compromising situation and, having missed the morning crossing to return to the mainland, spends the day trying to learn more about the islanders’ beliefs. After a series of confusing and terrifying events leaves him shaken, Sam quickly plots a way off Osea with Jess, but is convinced to stay put as the islanders prepare for a dry run of their big event.
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