TV Series · Mystery, Drama, Sci-Fi & Fantasy · HBO · 1 season · Ended · TV-MA
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.
Track The Third Day, rate every episode, see where to stream, and discover what to watch next with the WatchSocial community.