Deutschlands Klügste - Season 1
1 - Episode 1
Air Date: December 1, 2001
2 - Episode 2
Air Date: March 1, 2002
3 - Episode 3
Air Date: September 1, 2002
4 - Episode 4
Air Date: October 1, 2002
5 - Episode 5
Air Date: September 6, 2003
6 - Episode 6
Air Date: March 22, 2011
7 - Episode 7
Air Date: April 5, 2011