Longest-running Series

Startend
1.
Doctor Who

Doctor Who (1963 - 2012)

Consists of: Season 01 - First Doctor, Season 02 - First Doctor, Season 03 - First Doctor, more

1963-11-23 2012-09-29
2.
Tatort

Tatort (1970 - 2019)

Consists of: Trimmel, SR, Kressin, more

1970-11-29 2019-08-18
3.
Polizeiruf 110

Polizeiruf 110 (1971 - 2019)

Consists of: DFF/DDR-Fernsehen, Tanja Voigt, NDR, more

1971-06-27 2019-08-25
4. Stahlnetz (1958 - 2002) 1958-03-14 2002-09-29
5. The Old Fox (1977 - 2019) 1977-04-11 2019-05-28
6. Die Sendung mit der Maus (1971 - 2010) 1971-03-07 2010-10-10
7. Sesamstraße (1973 - 2010) 1973-01-08 2010-11-08
8. The Young and the Restless (1973 - 2011) 1973-03-26 2011-01-01
9. Das Traumschiff (1981 - 2019) 1981-11-22 2019-04-21
10. Ein Fall für zwei (1981 - 2018) 1981-09-11 2018-11-06
11. Saturday Night Live (1975 - 2011) 1975-10-11 2011-04-02
12. SOKO 5113 (1978 - 2013) 1978-01-02 2013-02-25
13. Columbo (1968 - 2003) 1968-02-20 2003-01-30
14. Großstadtrevier (1986 - 2017) 1986-12-16 2017-04-10
15. The Simpsons (1989 - 2019) 1989-12-17 2019-05-12
16. Il était une fois... (1979 - 2008) 1979-03-23 2008-01-01
17. Oberinspektor Victor Marek (1963 - 1992) 1963-10-03 1992-01-01
18. Tom und Jerry (1940 - 1967) 1940-12-12 1967-01-01
19. Ein starkes Team (1994 - 2019) 1994-03-28 2019-03-16
20. Lindenstraße (1985 - 2010) 1985-12-08 2010-10-30

Most-referenced Series

References
1.
Star Trek

Star Trek (1965 - 1969)

Consists of: Season 1, Season 2, Season 3, more

36
2.
Game Of Thrones

Game Of Thrones (2011 - 2019)

Consists of: Season 1, Season 2, Season 3, more

32
3.
SpongeBob SquarePants

SpongeBob SquarePants (1999 - 2010)

Consists of: Season 1, Staffel 2, Season 3, more

24
4. Doctor Who (1963 - 2012) 24
5. Miami Vice (1984 - 1990) 23
6. CSI: Crime Scene Investigation (2000 - 2015) 22
7. Friends (1994 - 2004) 21
8. Star Trek: The Next Generation (1987 - 1994) 19
9. Columbo (1968 - 2003) 18
10. Downton Abbey (2010 - 2014) 16
11. Law & Order (1990 - 2010) 16
12. Sex and the City (1998 - 2004) 16
13. Kojak (1973 - 1978) 15
14. Magnum, p.i. (1980 - 1988) 14
15. Starsky and Hutch (1975 - 1979) 14
16. Grey's Anatomy (2005 - 2019) 13
17. Breaking Bad (2008 - 2013) 12
18. Cagney & Lacey (1982 - 1988) 12
19. Lost (2004 - 2010) 12
20. The A-Team (1983 - 1987) 12