Angel to The Lone Gunmen
3 connections
Angel
Buffy the Vampire Slayer
Angel was a spin-off of Buffy the Vampire Slayer.
The X-Files
The X-Files? Cigarette Smoking Man and Buffy the Vampire Slayer's Spike both smoked Morley cigarettes.
The Lone Gunmen
The Lone Gunmen was a spinoff of The X-Files