The Hitchhiker's Guide to the Galaxy to The Practice
9 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.
The John Larroquette Show
John Larroquette Show referenced Yoyodyne. Yoyodyne was also a client of Angel's Wolfram & Hart.
Frasier
John Larroquette Show's John Hemingway called into Fraiser's show
Cheers
Cheers spun-off Frasier
Boston Legal
Ivan Tiggs and Shirley Schmidt from Boston Legal go out to dinner at Melville's restaurant from Cheers
Boston Public
Boston Public's Principal Steven Harper appeared on an episode of Boston Legal
The Practice
The Practice's Ellenor Frutt and Boston Public's