1.This Who Wants to Be a Millionaire contestant would read the answers aloud, and then his wife would cough when he read the correct choice. They were caught, had to return the money, and were forced to pay a fine.
2.On The Gong Show, the "Popsicle twins" came out for a bizarre Popsicle skit, which was suggestive AF for the '70s.
3.This guy, Rodney Alcala, won The Dating Game. Turns out, he was a serial killer.
4.When this Jeopardy! contestant was smug to Alex Trebek after Trebek corrected his pronunciation twice.
5.And when Trebek called this contestant a "loser" after she said she loved "nerdcore hip-hop."
6.This woman's Wheel of Fortune loss became a national headline after she said "Seven Swans a-Swimmin'" instead of "Seven Swans a-Swimming."
7.This 12-year-old misspelled "the Emancipation Proclamation" — which was the right answer — and lost Jeopardy!, leading to social media outrage.
8.This guy used a fake identity on Super Password because he was wanted for credit card fraud, forgery, and insurance fraud. He was eventually caught when he went to retrieve his prize money.
9.This man guessed the exact price of a product on The Price Is Right and his wife guessed within $500 of her product, leading to suspicions about them.
10.This man on Whammymemorized the computer pattern and was able to win over $100,000. It wasn't technically cheating, but it was scandalous during 1984.
11.And in another scandalous-but-not-cheating situation, this man won $100,000, not by knowing the information but by reading the host's body language.
12.This dude dropped the f-bomb on teen Jeopardy! after answering incorrectly.
13.This couple was asked to pick which of these items was sold in stores first, and they correctly answered Post-its. However, they lost $800,000 because the show said it was wrong. The show apologized and invited them back.
14.This woman was caught using Shazam, an app that identifies songs as they play, during a Spanish Name That Tune–like game show.
15.This wife admitted on The Moment of Truth that she cheated on her husband.
16.Then in the end, when she made it to the $200,000 question, she lied and lost all the money.
17.This guy was supposed to guess the price of an item but just straight-up pressed the reveal button, causing Bob Barker to walk off on The Price Is Right.