Who (or what) turned you on to Pink Floyd?

I remember watching one of those history of rock n roll shows where they have people in the music biz talk about different eras. The episode I saw was about the '70s, and had short clips with Dave talking about DSOTM and showing some of the Abbey Road session footage that's in the Pompeii film. It peaked my interest in PF, and a few weeks later I bought DSOTM.