20 series recommended for anyone who enjoyed Castle, ordered by audience score.
The Mentalist
2008
Homicide: Life on the Street
1993
Perry Mason
1957
Elementary
2012
The Rockford Files
1974
Law & Order: Criminal Intent
2001
Vera
2011
Major Crimes
The Inspector Lynley Mysteries
2002
Unforgettable
The Mysteries of Laura
2014
Murder in a Small Town
2024
Dragnet
1967
Coroner
2019
Ironside
The Tower
2021
Grace
Baretta
1975
T. J. Hooker
1982
Van der Valk
2020
