Professor T | A Ransom Demand | PBS

Official Website: https://to.pbs.org/3gq36eZ
Lisa and Dan visit Professor T at his office where they show him a ransom demand they've received. A lock of Charlie's hair accompanies the letter, and after testing it for DNA they make an important discovery -- but Professor T is already a step ahead of them. Stream full episodes at: https://to.pbs.org/3gq36eZ

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Professor Jasper Tempest is obsessed with cleanliness, structure and order. But his genius for solving crimes means he constantly has to get his hands dirty, helping the police to crack their most difficult cases. Tune in or stream Sundays, July 11 - August 15, 2021 at 10/9c.