FIRST Jeopardy 3.0! (7/21)

Up for another theme week? ::spins the obviously fixed “Wheel of FIRST Jeopardy categories”:: The theme: I’m in a sci-fi mood today, so ::stops the wheel on “Sci-Fi”::

For 100, this comedic sci-fi franchise created by Douglas Adams contains books, radio broadcasts, and a movie. Remember to PM me your answer in the form of a question within 50 minutes.