To the World's End follows the No. 31 London bus from Camden Town to World's End, Chelsea,

First transmitted in 1985, To the World's End follows the No. 31 London bus from Camden Town to World's End, Chelsea, meeting characters who live and work along the route.

http://www.bbc.co.uk/iplayer/episode/b0074ry7/to-the-worlds-end-scenes-and-characters-on-a-london-bus-route