Professor T Season 4 returns in 2025 with six riveting new episodes, picking up six months after the events of the previous season and following Jasper Tempest as he confronts grief, daunting new crimes, and surprising turns in his personal life. Here’s everything to know about the latest and possibly most personal chapter yet for Professor T.
Plot Overview
Still reeling from the tragic loss of DS Lisa Donckers, Professor Jasper Tempest distances himself from police work until he’s drawn back in by challenging cases that put his deductive skills to the test. Alongside confronting new criminal mysteries in Cambridge, Jasper faces pressure from his mother and a therapist-encouraged exploration of music as a way to process his pain. As the team grapples with grief, themes of romance and unexpected alliances also build beneath the season’s emotional surface.
Cast & Characters
Main Cast
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Ben Miller as Professor Jasper Tempest
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Barney White as DS Dan Winters
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Frances de la Tour as Adelaide Tempest
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Juliet Stevenson as Dr Helena Goldberg
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Sunetra Sarker as DI Maiya Goswami
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Notable Recurring & Guest Appearances:
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New and familiar faces pepper this season, while Emma Naomi (DS Lisa Donckers) does not return after her character’s death.
How Many Episodes Are in Professor T Season 4?
Season 4 comprises six episodes, making for a concise and suspenseful season as the story builds toward a dramatic conclusion.
Episode Release Schedule:
Episodes air weekly on Sundays, starting August 24, 2025. Here’s the full rollout:
| Ep | Title | Release Date |
|---|---|---|
| 1 | Overboard | Sun, Aug 24, 2025 |
| 2 | September Gardens | Sun, Aug 31, 2025 |
| 3 | The Inspection | Sun, Sep 7, 2025 |
| 4 | You Can’t Kill Me | Sun, Sep 14, 2025 |
| 5 | The Perfect Murder | Sun, Sep 21, 2025 |
| 6 | The Warrior Gene | Sun, Sep 28, 2025 |
Is Professor T Season 4 the Final Season?
Season 4 is not the confirmed final season; a fifth season has already been announced.
Where to Watch Professor T Season 4?
Platforms: Available in the US through PBS, the PBS app, and PBS Masterpiece Channel; streaming dates via ITV and Britbox UK to be confirmed.
Timing: U.S. episodes drop Sundays at 8 p.m. ET. For PBS Passport members, all episodes are available for on-demand viewing as of the premiere.
Reception & Buzz
Early reactions praise the season’s deep emotional exploration and sustained intrigue, with the lead cast receiving acclaim for their performances as the series continues its global popularity.
Episodes Synopsis:
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Overboard: Jasper is forced out of retirement to help solve the disappearance of a woman from a yacht.
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September Gardens: A visit to a retirement home leads to a shocking murder.
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The Inspection: The brutal death of a school inspector raises troubling questions.
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You Can’t Kill Me: An actress is attacked on stage under mysterious circumstances.
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The Perfect Murder: A sequence of crimes intertwines a vandalized painting with murder.
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The Warrior Gene: A dramatic confession sets a final puzzle for Jasper and the team.
Filming Locations
Season 4 continues to showcase the beautiful settings of Cambridge and university life, with locations integral to the show’s atmosphere.
This new series promises all the sharp mysteries, character drama, and evolving relationships fans have come to expect from Professor T.
