My favorite flash cartoon does a bit on tv theme songs with bad advertising and credit crunching.
http://www.homestarrunner.com/sbemail155.htmlThere's a "Twin Peaks" inspired easter egg in this episode:
http://www.homestarrunner.com/sbemail150.htmlYou have to wait until the flash ends, then click on the alternate universe Strong Bad wearing a backwards baseball cap.
The Brothers Chaps seem to be really good at doing fun pop culture references without coming across as self-congratulatory or snarky. It's good, clean, and yes, cheap as free fun for anyone with an internet connection beyond dial-up.
To draw a link to the thread on cop shows, what we really need is DANGERESQUE: THE SERIES. Every week's show would end with somebody having to juuuump!