Chuck to Harry's Law
5 connections
Chuck
Lost
Chuck mentions that Oceanic 815 was shot down.
Veronica Mars
In an episode of Veronica Mars, Veronica's fortune cookie had the numbers that won Hurley from Lost the lottery.
The X-Files
The mugshot of Malcolm T Wiggins from the X-Files episode "Titonus" appears on the wall of a police interrogation room in the Veronica Mars episode "Leave it to Beaver." Also the fictional car rental company Lariat where Mulder & Scully always rented their cars was featured prominently on the Veronica Mars episode "Rat Saw God."
Picket Fences
When cows started dying in Picket Fences' Rome, Wisconsin, a resident of Rome mentioned all the crazy cow happenings in Delta Glen, Wisconsin which were investigated by X-Files' Muder and Scully.
Harry's Law
The series finale of Harry's Law featured Picket Fences' Doctor Carter Peck as an assisting medical examiner