Titel, Thesen, Temperamente (Season 23)
Episode 1 (Episode 1)
Air date: 2011-02-16
Episode 2 (Episode 2)
Air date: 2011-03-27
Episode 3 (Episode 3)
Air date: 2011-05-22
Episode 4 (Episode 4)
Air date: 2011-06-05
Episode 5 (Episode 5)
Air date: 2011-09-11
Episode 6 (Episode 6)
Air date: 2011-09-18
Episode 7 (Episode 7)
Air date: 2011-10-30