"On a sailing ship to nowhere, leaving any place..."
[Original Video Link Broken]
The album version is available on youtube so I could have posted that. But then I figured, "Fellas, you're really gonna want that rotating mannequin head on the track."
Steve Howe says in an interview that the intro was rhythmically inspired by a "famous television series" but doesn't say which. There seems to be a lot of different theories. My money would be on the Gideon's Way Theme: