Professor T Season 5 Episode 5 - Cipher

Airdate: 2026-Aug-09

Episode summary:

As Jasper turns to tech to manage his spiralling OCD, the murder of a golf instructor and a taunting cipher ignite fears of a serial killer. A rare error from the Professor heightens tensions as the ciphers grow bolder. Meanwhile, Leonie's bond with her father, Chester, is pushed to breaking point by his deep-seated hatred of the police as Dan is caught between loyalty and duty.

About Professor T series:

Set against the stunning backdrop of one of the world’s most prestigious educational institutions, Cambridge University, Professor T is cente...Show more >