Canon- Hitchiker's Guide to the Galaxy and Doctor Who take place in the same universe. (Yes, is canon as of Christmas Invasion, amirite?)
Canon- Ten thinks Arthur Dent is a nice man
Canon- Arthur Dent travles around the galaxy with Ford Prefect
Fanon-- THIS
(No spoilers, but probable fail, and might not be funny)
(
It wouldn't work, would it, but i can dream... )