Professor T.Season 42020 · 4 episodesEpisodes1The WitnessProfessor T returns to Cologne to help Daniel track down a killer.2MotherProfessor T's latest case coincides with his wish to resume a normal life.3Mathilde MöhringProfessor T investigates a gossip columnist's murder.4ChristinaProfessor T attempts to solve a crime close to home.Season 1Season 2Season 3
