NCIS: LA to Warehouse 13
6 connections
NCIS: LA
Hawaii Five-O (2010)
NCIS: LA and Hawaii Five-O worked together in a crossover episode to stop a smallpox outbreak
Arrow
Hawaii Five-O references Dominic Alonzo from Arrow
Law & Order
Hudson University is the fictional University where many Law & Order characters graduated as well as the location of F.I.R.E.S.T.O.R.M. On Arrow
Homicide: Life On The Street
Law and Order and Homicide crossed over on four episodes
The X-Files
Homicide's John Munch questioned The X-Files' The Lone Gunmen.
Warehouse 13
On Warehouse 13 Mrs. Frederic and Steve Jinks enter The Library, a secret room in the Vatican. There is a pack of Morley cigarettes on the table