You can go to Hulu, there will be commercials though (How they keep it legal and free). Most of the episodes are free to watch, but there are a few that do require you to pay a little money.
You can get some of them on a website called . In addition to this show they have thousands of other shows which they stream for free. The website is US based and is legal in all 50 states. There are no fees for most of the free streaming content.
There are places like vivo TV that do actully allow you to watch things for free. Most places actually have their own websites for each TV show. Look it up on google, and you should find many things available.
