Party of Five to Torchwood
6 connections
Party of Five
The X-Files
In the X-Files episode "Milagro" Mulder & Scully visit a graveyard where Party of Five's Diana and Nicholas Salinger are buried.
Buffy the Vampire Slayer
The X-Files? Cigarette Smoking Man and Buffy the Vampire Slayer's Spike both smoked Morley cigarettes.
Angel
Angel was a spin-off of Buffy the Vampire Slayer
Red Dwarf
In the Red Dwarf episode "Psirens", the crew of the Red Dwarf come across a space ship graveyard which includes a Weyland-Utani ship, connecting it with Angel.
Doctor Who (1963)
The TARDIS from Doctor Who appears in the hangar bay of the Red Dwarf - it can be seen during the launch of Starbug in the episode "Thanks for the Memory"
Torchwood
Torchwood is a spin-off focusing on the covert Torchwood Institute and the crossover character Captain Jack Harkness