One of the most popular American television shows in the history recently celebrated its 50th anniversary on October 15, 2001.

"I Love Lucy," starring comedienne Lucille Ball and her real-life husband Desi Arnaz, was an instant hit with audiences when in premiered in 1951. It set the standard for television situation comedies to come.

On this editon of Dateline, Robin Rupli has more about Lucille Ball and the show that came to define a generation.