Blue Bloods to Melrose Place (2009)

Blue Bloods has had protest and murders at Hudson University, the same University where SVU characers have attended

John Munch was a detective Homicide and then SVU

Homicide's John Munch questioned The X-Files' The Lone Gunmen.

Brenda Walsh picks up a Morley smoking habit while in Paris on Beverly Hills 90210

90210 was a continuation of Beverly Hills 90210 years later

Melrose Place (2009) was a continuation of Melrose Place which was a spin off of Beverly Hills 90210 that was continued as 90210