A couple fragments I remember:

I was in a large hall, filled with lots of men and women, of all ages, sizes and types. Most of the women were sitting in groups, and as I passed around the groups, I picked women and started dancing with them.

If they were better dancers than me, we'd twirl around a bit, and I'd pass them off to other men who were better dancers. Then I'd move on to someone else.

After a while, I tired of that, since I'm not a good dancer, and looked for a private room to go hide in.

Initially, some people followed me into the first few rooms, so I had to keep moving to get all by myself. I finally got to a room where there was only one other person, a rather attractive girl. So we made out.

I woke up way too soon during that.

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I was in the downtown of my city. It had all the buildings and the city hall, but intead of being real and make of concrete, glass and steel, the entire city center was built of sterile clean plastic model material. Even in the dream I knew how surreal that looked.

A great crowd had gathered to watch a large video screen, on which was playing Bill Cosby's latest TV show. Which had aliens. And was a musical.

I noted that it was quite different than his previous shows, and probably wouldn't be well received because of the music.

I apparently had no problem with the aliens.