Castle to Quantum Leap
5 connections
Castle
Law & Order
Hudson University from L&O also appears as the home of various victims and crimes in Castle,
Law & Order: Special Victims Unit
SVU was spin off of Law & Order
Murder, She Wrote
Jessica Fletcher taught criminology at Hudson University, where various Law & Order characters attended
Magnum P.I.
Murder, She Wrote had a two episode crossover with Magnum P.I.
Quantum Leap
Samuel Beckett from Quantum Leap knew a minor character on Magnum P.I.