The Wire to Torchwood
7 connections
The Wire
Homicide: Life On The Street
On The Wire (episode "That's Got His Own") Junior Bunk from Homicide was mentioned as someone who had once put bad drug product on the market causing deaths.
The X-Files
Homicide's John Munch questioned The X-Files' The Lone Gunmen.
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