NCIS: New Orleans to Without a Trace
5 connections
NCIS: New Orleans
NCIS: LA
NCIS: LA and New Orleans spun off of NCIS
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
Without a Trace
Multiple episodes feature Hudson University, the Alma Mater of multiple L&O characters