Wissen macht Ah! (2001) — Seasons

Season 1 37 episodes Season 2 31 episodes Season 3 30 episodes Season 4 41 episodes Season 5 34 episodes Season 6 26 episodes Season 7 26 episodes Season 8 26 episodes Season 9 27 episodes Season 10 25 episodes Season 11 36 episodes Season 12 75 episodes Season 13 19 episodes Season 14 14 episodes Season 15 14 episodes Season 16 17 episodes Season 17 15 episodes Season 18 16 episodes Season 19 13 episodes Season 20 14 episodes