Doppelter EinsatzSeason 4 Season 4Season 4Doppelter Einsatz 3 episodes23/09/1997 Episodes Episode 1 S4 · E1 · 23/09/1997Episode 1No synopsis available. Episode 2 S4 · E2 · 30/09/1997Episode 2No synopsis available. Episode 3 S4 · E3 · 07/10/1997Episode 3No synopsis available.