The boat is merely a construct of Crowley's to prevent Kevin from realizing he's been kidnapped.
In the Bunker, Dean is concerned about Sam's worsening health.
In the United States, the song is closely associated with the long-running game show The Dating Game, for which it served as the "Bachelor’s Theme".
Another parodic cover version, spoofing Alpert's version, appeared on the mock Alpert tribute album Sour Cream & Other Delights by the Frivolous Five.
In addition to its use in The Dating Game, the song has been used in a variety of film and television soundtracks.
Speaking of odd themes, I seem to remember Family Film Festival hosted by "Popeye" Tom Hatten on L.
A.'s KTLA channrl 5 used Industrial Disease for a theme for a while.