Transcript for Wheel of Misfortune: Mistake Costs Game Show Contestant Thousands
Finally, tonight, the "wheel of fortune" winner who watched it all slip away in a second. She guessed the right letters, figured out the right word. But there was something about the way she spoke that just did not fit right with the host. Here's abc's nick watt. Reporter: Renee durette was on a roll. I would like to solve. Seven swans a swimmin'. Yeah, that's -- I can't accept that. Reporter: Renee denied. Because in those "12 days of christmas," the swans ain't swimmin' they're swimming -- with the "g." That one lost letter cost durette nearly $4,000. Cue online outrage, was the brave-faced durette robbed? It has happened before. This couple on fox's "million dollar money drop" guessed post-it notes came before the walkman. Wrong. They lost $800,000. "Right," screamed the internet hordes. And fox admitted a research error and offered them another shot. Season one of abc's "who wants to be a millionaire," this guy guessed huron is the second biggest great lake. Computer said he was wrong. David, I'm sorry. It was lake michigan. Reporter: It turned out, he was right. He came back for a do-over and went home with $125,000. Game show gaffes are very, very rare. AFTER THE SCANDALS OF THE 1950s When shows like "twenty one" were fixed to keep telegenic contestants in the mix, congress made it illegal to rig a game show. Behind the bonhomie, it's a tightly controlled medium. Pat sajak chief of the persnickety pronunciation police just confirmed. Renee knew it would happen. And it was kind of easy to do because you did it in the vernacular and said, "seven swans a swimmin.'" Reporter: You're harsh, pat, you're harsh but fair. Nick watt, abc news, los
This transcript has been automatically generated and may not be 100% accurate.