Longest-running Series

Startend
1. 1963-11-23 2013-05-18
2.
Tatort

Tatort (1970 - 2020)

Consists of: Trimmel, SR, Kressin, more

1970-11-29 2020-04-05
3. 1971-06-27 2020-01-19
4. Stahlnetz (1958 - 2002) 1958-03-14 2002-09-29
5. The Old Fox (1977 - 2019) 1977-04-11 2019-05-28
6. SOKO 5113 (1978 - 2019) 1978-01-02 2019-12-23
7. Die Sendung mit der Maus (1971 - 2010) 1971-03-07 2010-10-10
8. Ein Fall für zwei (1981 - 2019) 1981-09-11 2019-12-17
9. Das Traumschiff (1981 - 2020) 1981-11-22 2020-01-01
10. Sesamstraße (1973 - 2010) 1973-01-08 2010-11-08
11. The Young and the Restless (1973 - 2011) 1973-03-26 2011-01-01
12. Saturday Night Live (1975 - 2011) 1975-10-11 2011-04-02
13. Columbo (1968 - 2003) 1968-02-20 2003-01-30
14. Lindenstraße (1985 - 2019) 1985-12-08 2019-11-03
15. Großstadtrevier (1986 - 2017) 1986-12-16 2017-11-06
16. The Simpsons (1989 - 2020) 1989-12-17 2020-04-19
17. Il était une fois... (1979 - 2008) 1979-03-23 2008-01-01
18. Oberinspektor Victor Marek (1963 - 1992) 1963-10-03 1992-01-01
19. Tom und Jerry (1940 - 1967) 1940-12-12 1967-01-01
20. Ein starkes Team (1994 - 2019) 1994-03-28 2019-10-19

Most-referenced Series

References
1. 40
2. 35
3. 26
4. Miami Vice (1984 - 1990) 25
5. SpongeBob SquarePants (1999 - 2010) 24
6. CSI: Crime Scene Investigation (2000 - 2015) 22
7. Friends (1994 - 2004) 22
8. Star Trek: The Next Generation (1987 - 1994) 20
9. Columbo (1968 - 2003) 20
10. Law & Order (1990 - 2010) 18
11. Sex and the City (1998 - 2004) 18
12. Kojak (1973 - 1978) 16
13. Downton Abbey (2010 - 2015) 16
14. Grey's Anatomy (2005 - 2019) 16
15. Starsky and Hutch (1975 - 1979) 15
16. Magnum, p.i. (1980 - 1988) 14
17. The Golden Girls (1985 - 1992) 14
18. Breaking Bad (2008 - 2013) 14
19. The Walking Dead (2010 - 2019) 14
20. Knight Rider (1982 - 1986) 13