It's garbage. - Tia-Harribel
2 The X-Files
The X-Files is an American science fiction drama television series created by Chris Carter. The original television series aired from September 10, 1993, to May 19, 2002, on Fox.
3 Twin Peaks
Twin Peaks is an American mystery horror drama television series created by Mark Frost and David Lynch that premiered on April 8, 1990, on ABC.
House is an American television medical drama that originally ran on the Fox network for eight seasons, from November 16, 2004 to May 21, 2012.
Well naturally. Hugh Laurie stars :). - Britgirl
7 Gravity Falls
Gravity Falls is an American animated television series produced by Disney Television Animation that first aired on Disney Channel, and then on Disney XD from June 15, 2012 to February 15, 2016. The series follows the adventures of Dipper Pines and his twin sister Mabel in the fictional town of Gravity ...read more.
I just started watching this show. It's awesome. - phillysports
8 Criminal Minds
Criminal Minds is an American police procedural crime drama television series created by Jeff Davis, and is the original show in the Criminal Minds franchise.
9 The Mentalist
11 Detective Conan
Grantchester is an ITV drama series set in the 1950s Cambridgeshire village of Grantchester, near Cambridge. The series features a vicar named Sidney Chambers (portrayed by James Norton) who develops a sideline in sleuthing with help from Detective Geordie Keating (portrayed by Robson Green).
13 True Detective
True Detective is an American anthology crime drama television series created and written by Nic Pizzolatto.
14 The Killing
The Killing is an American crime drama television series that premiered on April 3, 2011, on AMC, based on the Danish television series Forbrydelsen (The Crime).
Columbo is an American television series starring Peter Falk as Columbo, a homicide detective with the Los Angeles Police Department.
16 Murdoch Mysteries
17 Death Note
Death Note is a Japanese television drama series based on the manga series of the same name by Tsugumi Ohba and Takeshi Obata.
The show is centered around Light Yagami - a promising highschooler and aspiring detective with a strong sense of "justice".
Yes, like ModernSpongeBobSucks said its only "Death Note". But I really didn't add it. - zxm
Um, zxm, it's just "Death Note", not "The Death Note". - ModernSpongeBobSucks
18 Scooby-Doo! Mystery Incorporated
Lost is an American television drama series that originally aired on the American Broadcasting Company from September 22, 2004, to May 23, 2010, over six seasons, comprising a total of 121 episodes.
I didn't add it higher cause it's not really a big mystery series. but it has some mysteries. - zxm
Homeland is an American spy thriller television series developed by Howard Gordon and Alex Gansa based on the Israeli series Prisoners of War, which was created by Gideon Raff.
22 Stranger Things
Stranger Things is an American science fiction-horror Netflix original television series created, written, directed and co-executive produced by the Duffer Brothers, Matt and Ross Duffer, as well as co-executive-produced by Shawn Levy and Dan Cohen.
Has some mysteries. - zxm
23 The Night Of
24 Scream Queens
Scream Queens is an American comedy horror television series that aired on Fox from September 22, 2015 to December 20, 2016. The series was created by Ryan Murphy, Brad Falchuk, and Ian Brennan and produced by Murphy, Falchuk, Brennan, and Alexis Martin Woodall.
Riverdale is an American teen drama television series based on the characters of Archie Comics. The series was adapted for The CW by Archie Comics' chief creative officer Roberto Aguirre-Sacasa, and is produced by Warner Bros.
26 Father Brown