May 15, 2020 • 1h
Professor T returns to Cologne to help Daniel track down a killer.
May 22, 2020 • 1h
Professor T's latest case coincides with his wish to resume a normal life.
May 29, 2020 • 1h
Professor T investigates a gossip columnist's murder.
June 5, 2020 • 1h
Professor T attempts to solve a crime close to home.