Pat Sajak has been hosting "Wheel of Fortune" since 1981, and Vanna White joined in 1982.Herb Ball/NBCU Photo Bank/Getty Images
- Before Alex Trebek began hosting "Jeopardy!" in 1984, Art Fleming was at the helm.
- While the look of "Wheel of Fortune" has changed through the years, the host has not — Pat Sajak holds the Guinness World Record for longest career as a game show host.
- Changes to "Who Wants To Be A Millionaire" over the years have included imposing time limits to answer questions and shuffling the difficulty of answers.
Classic game shows like "Wheel of Fortune," "The Price Is Right," and "Jeopardy!" have remained fixtures of American households for decades.
While the set design, game format, and hosts have changed through the years, the suspense and excitement of watching contestants win big keeps people watching.
Here's how four classic game shows have evolved over time.