There are many great TV shows from all genres, but not all of them changed how television is made. The list of the best TV shows of all time also has many of the most influential TV shows ever, some of which went as far as changing TV forever.

There are shows in every genre that were key to shaping the genre into what it is now, inspiring other TV shows, becoming the blueprint for the genre, and/or touching on themes that others didn't dare before. Without them, TV would be very different from what it is now, and most likely not for the better.

Ellen

1994-1998

Ellen 1994 TV show

Ellen is a sitcom starring Ellen DeGeneres as Ellen Morgan, a bookstore owner in her 30s. Set in Los Angeles, Ellen follows the title character in her everyday life as she deals with her family, her q

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