Producers Accidentally Gave a Contestant $30,000
They were filming a 2008 commercial to prove that contestants could win $10,000 on the Plink machine. The game is beloved on the show, and they set it to make it come up with the most significant amount every time.
CBS.com
The problem came in the following episode as the show’s producers forgot to reset the machine. The Plinko game came out for another round, and a contestant was ecstatic when they got $10,000 each time. The producers suddenly recognized their mistake but knew they were to blame. In the end, the contestant won $30,000.