Here's what the Encyclopaedia Galactica has to say about alcohol. It says that alcohol is a colourless, volatile liquid formed by the fermentation of sugars, and also notes its intoxicating effect on certain carbon-based life forms.
— The Hitchhiker’S Guide To The Galaxy Book (Peter Jones)
16 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 1 sitcom.
You can hear this line at 00:09:19.433 in the Blu-ray version of the TV Series.
