Schnell ermittelt / Season 4 Season guide Schnell ermittelt: Season 4 12 episodes Premiered Jan 10, 2012 Updated Jul 27, 2026 Spoiler-safe Advertisement Episodes S4·E1 Episode 1 Jan 10, 2012 · 45 min S4·E2 Episode 2 Jan 10, 2012 · 45 min S4·E3 Episode 3 Jan 17, 2012 · 45 min S4·E4 Episode 4 Jan 31, 2012 · 45 min S4·E5 Episode 5 Feb 7, 2012 · 45 min S4·E6 Episode 6 Feb 14, 2012 · 45 min S4·E7 Episode 7 Mar 6, 2012 · 45 min S4·E8 Episode 8 Mar 13, 2012 · 45 min S4·E9 Episode 9 Mar 20, 2012 · 45 min S4·E10 Episode 10 Mar 27, 2012 · 45 min S4·E11 Episode 11 Apr 10, 2012 · 45 min S4·E12 Episode 12 Apr 17, 2012 · 45 min