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Wheel of Fortune host Pat Sajak opens the bonus round envelope to reveal contestant Autumn Erhard's $1 Million Grand Prize.

"Wheel of Fortune" host Pat Sajak opens the bonus round envelope to reveal contestant Autumn Erhard's $1 Million Grand Prize.

'Wheel of Fortune'

As it enters its 30th season in syndication, "Wheel of Fortune" continues to be America's most popular game show. Created by Merv Griffin in 1975 as an NBC daytime show, "Wheel of Fortune" is based on the popular game "Hangman."  Pat Sajak and Vanna White have hosted the show since its debut in syndication in 1983.