The Hitchhiker's Guide to the Galaxy to The Strain
6 connections
The Hitchhiker's Guide to the Galaxy
Doctor Who (1963)
The Tenth Doctor mentions knowing Arthur Dent of Hitchhiker's Guide to the Galaxy.
Red Dwarf
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"
Angel
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.
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 Strain
Morely's Cigs are seen numourous times