Aktenzeichen XY… ungelöst - Season 51
1 - Episode 1
Air Date: January 11, 2017
2 - Episode 2
Air Date: February 8, 2017
3 - Episode 3
Air Date: March 1, 2017
4 - Episode 4
Air Date: April 5, 2017
5 - Episode 5
Air Date: April 26, 2017
6 - Episode 6
Air Date: May 17, 2017
7 - Episode 7
Air Date: June 14, 2017
8 - Episode 8
Air Date: July 12, 2017
9 - Episode 9
Air Date: August 9, 2017
10 - Episode 10
Air Date: September 6, 2017
11 - Episode 11
Air Date: October 25, 2017
12 - Episode 12
Air Date: December 13, 2017