Marc and Rex are shot at by an unknown sniper on the banks of the Danube.

Marc and Rex investigate when a dead boy is discovered in a landfill.

Marc and Rex investigate the death of a young woman who had taken a suspicious vitamin capsule.

Marc and Rex investigate when a hospital director is found dead.

Panic strikes Vienna when a crocodile is reported in the Danube!

Marc and Rex investigate a hit-and-run involving the host of a popular radio talk show.

Marc and Rex investigate a mysterious death on a construction site.

Marc and Rex arrive at a crime scene and discover the presumed murder victim is still alive.

Marc and Rex investigate an elderly woman found burned in an empty factory.

Marc and Rex investigate a young man found dead in an apartment after a night of partying.

Marc and Rex investigate a suspicious death in a nursing home.

Marc, Rex and the team are alerted by an eyewitness who claims to have seen a young woman killing someone in the city center at night.

On a rare night on the town, Dr. Graf witnesses an assassination attempt.

In the midst of a murder investigation, Rex adopts an abandoned puppy found on a construction site.

Marc and Rex investigate when a hockey player is found dead near the airport.