Season 4 Episodes
1. The Witness
May 15th, 20201 hr
Professor T returns to Cologne to help Daniel track down a killer.
2. Mother
May 22nd, 20201 hr
Professor T's latest case coincides with his wish to resume a normal life.
3. Mathilde Möhring
May 29th, 20201 hr
Professor T investigates a gossip columnist's murder.
4. Christina
June 5th, 20201 hr
Professor T attempts to solve a crime close to home.
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