Season 4 (2020)
Episodes: 4
Star Cast: Matthias Matschke , Lucie Heinze , Helgi Schmid , Julia Bremermann ,
Episodes List
Ep.1 The Witness
Air Date: 2020-05-15
Professor T returns to Cologne to help Daniel track down a killer.
Ep.2 Mother
Air Date: 2020-05-22
Professor T's latest case coincides with his wish to resume a normal life.
Ep.3 Mathilde Möhring
Air Date: 2020-05-29
Professor T investigates a gossip columnist's murder.
Ep.4 Christina
Air Date: 2020-06-05
Professor T attempts to solve a crime close to home.
