There are many options available to watch TV shows online, all with varying degrees of quality. It is best to avoid the unofficial sites that can contain viruses and other unwanted consequences and stick to the official sites. The best free sites available to watch full TV episodes online include Hulu, Crackle, YouTube, and Tubi TV. All of these sites offer full episodes that can be watched in their entirety for free. Hulu also offers a paid subscription option that features premium content. Sites such as Amazon Prime and Netflix allow subscribers to watch TV shows online for a monthly charge. The major networks also offer ways to stream their TV shows, typically with free registration. With all of these options, there is no reason to risk exposing one's computer to malware on a rogue site. Read on to learn more about which are the sites to watch TV shows online.