Television, drug of the nation

Something has been bugging me and I can't believe that I watch so much TV that I am asking this.

In the last 6-12 months* I watched an american TV programme where one of the characters ends up in prison. He finds himself in a cell-block run by a massive, bald character who is probably the last person (real or fictional) that I'd wish to be in prison with. They have a massive fight.

Most of them - in the scriptwriters rules to have at least one episode inside a prison.

Or so it seems