Yellow he
Episode: 4x01 | Airdate: Jan 23, 1977
Episodes
Hals in der Schlinge
Episode: 4x02 | Airdate: Feb 6, 1977
Eine Nacht im Oktober
Episode: 4x03 | Airdate: Mar 6, 1977
Offene Rechnung
Episode: 4x04 | Airdate: Mar 20, 1977
Tod des Wucherers
Episode: 4x05 | Airdate: Apr 3, 1977
Das Kuckucksei
Episode: 4x06 | Airdate: Jun 12, 1977
Mord im TEE 91
Episode: 4x07 | Airdate: Jul 10, 1977
Via Bangkok
Episode: 4x08 | Airdate: Aug 21, 1977
Inkasso
Episode: 4x09 | Airdate: Sep 18, 1977
Die Tote im Wald
Episode: 4x10 | Airdate: Oct 16, 1977