1. The Witness

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. 15 May 2020. 60 min

Professor T returns to Cologne to help Daniel track down a killer.

2. Mother

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. 22 May 2020. 60 min

Professor T's latest case coincides with his wish to resume a normal life.

3. Mathilde Möhring

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. 29 May 2020. 60 min

Professor T investigates a gossip columnist's murder.

4. Christina

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. 5 June 2020. 60 min

Professor T attempts to solve a crime close to home.