Connect to the Internet and go to the websites that host classic TV shows online. Popular sites are Hulu and Fancast, as well as www.tvland.com. There also are classic shows available through YouTube and the major networks websites.
You also could pay for a subscription service to watch TV online. Netflix is the main company to offer this type of service.
Upgrade your viewing by connecting your computer to your TV set. Some people are now using the Internet for watching most of their shows and even canceling their cable service.