ER (1994) to Melrose Place

A reporter on Chicago Hope talked to Dr. Austin about having been accepted into the space program and mentions an ER doctor from County was also accepted. In a separate episode of ER Dr. Greene was accepted in the space program.

Chicago Hope's Jeffrey Geiger accepted an organ of a victim on Homicide

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

Kelly Taylor from Beverly Hills 90210 and Jake Hanson from Melrose Place dated to launch Melrose Place's spinoff