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BBC Confirms Doctor Foster's Third and Final Series

Published 27 February 2026

The BBC has confirmed the return of its acclaimed psychological thriller Doctor Foster for a third and final series, set to begin filming in Hertfordshire this spring. Starring Suranne Jones as Dr. Gemma Foster, the new installment picks up ten years after the events of the second series, which concluded in 2017 with the disappearance of Gemma's teenage son, Tom.

Doctor Foster first aired in 2015, chronicling Gemma's discovery of her husband Simon's affair and the ensuing unraveling of their family life. The series drew widespread praise for its tense exploration of betrayal and revenge, culminating in nearly 10 million viewers for the season two finale. It secured National Television Awards for both seasons, and Jones earned a BAFTA for Best Actress in 2016 for her portrayal of the resilient GP.

In the upcoming five-episode run, each approximately 60 minutes long, Gemma remains a general practitioner in the fictional town of Parminster, living in the same house where her troubles began. On the verge of a fresh start, she has met someone new and plans to marry. However, as the wedding approaches and loved ones gather, unresolved issues from the past resurface, jeopardizing her...

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