Many of the culinary shows have no connection to the real world of the professional kitchen. Most notably those that feature some
ego driven individual berating and insulting anyone within reach.
There is, in my opinion, one show that is head and shoulders above the rest because of it's educational content, (I learn something every time), and the professional and mentoring philosophy exhibited by the host,
Alton Brown.
If you're not familiar with it, here's a link to
Good Eats.