May 15, 2020 · 1h
Professor T returns to Cologne to help Daniel track down a killer.
Season 4 Episodes
Browse every episode and jump into details.
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.
Jun 5, 2020 · 1h
Professor T attempts to solve a crime close to home.
Season 4 FAQ
Quick answers about this season's release timeline and episode lineup.
When did Professor T. Season 4 premiere?
Professor T. Season 4 premiered on May 15, 2020.
How many episodes are in Professor T. Season 4?
Professor T. Season 4 has 4 episodes.
What is the first episode of Professor T. Season 4?
The season opens with Season 4 Episode 1, "The Witness". It aired on May 15, 2020.
Go to Season 4 Episode 1