This is just a proof of concept.
For more in-depth data, see trakt.jemu.name.
I also sometimes blog about tv show (data).

These are the shows currently trending on trakt.tv, which means that not only the ratings, but also the current number of watchers are a factor.
If you’re looking for the popular shows, look over here
The data and plots are refreshed daily via a @daily cronjob.