In 1950, Lucille Ball founded Desilu Productions with her then-husband Desi Arnaz. For its first 12 years in business, Desilu Productions was the second-largest independent television production company in the United States, trailing behind only MCA's Revue Studios. When Revue was combined with Universal in 1962, Desilu took that number one spot.

1962 was also the year when Ball purchased a majority stake from her former husband. She would run Desilu by herself for the rest of its history. Six years later, after rehabilitating the company's image and ensuring profitability, Lucy sold her stake to Gulf+Western for an unprecedented $17 million. 

Take a look back with us while we celebrate the history of Desilu Productions. See if you can recall which shows were Desilu productions, and which ones weren't! REMEMBER: Other production companies filmed a lot of projects at Desilu Studios. We're not looking for productions that used the facilities. The correct answers will all be full-fledged Desilu Productions.