. "The Hitchhiker's Guide to the Galaxy (radio series)" . "original radio series" . . . "The Hitchhiker's Guide to the Galaxy'' radio series" . "radio" . . "Hitchhiker's Guide to the Galaxy" . . "a radio comedy" . "radio series of the same name" . "Hitchhikers Guide to the Galaxy" . . "a 1978 radio comedy" . . "''The Hitchhiker's Guide to the Galaxy''" . . . . . "''The Hitchhiker's Guide to the Galaxy'' (radio series)" . "original and following radio series" . "the original radio series" . . . . . . . . . "''The Hitchhiker's Guide to the Galaxy'' radio series" . "a BBC radio comedy" . "''The Hitchhiker's Guide to the Galaxy'' original radio series" . . . . "obtaining rights" . . . "the radio series" . "musical copyright" . . . . . "original radio production" . "'''''The Hitchhiker's Guide to the Galaxy''''' radio series" . . "radio series of ''The Hitchhiker's Guide to the Galaxy''" . . "first radio series of ''The Hitchhiker's Guide''" . "radio comedy" . . "The Hitchhiker's Guide to the Galaxy" . "''Hitchhiker's Guide to the Galaxy'' radio series" . . . . . . . . . "The Hitchhiker's Guide to the Galaxy (radio series)" . . . . "Radio series" . . "radio series" . . "second radio series" . .