Semi-Final 1

Apr 20, 2006 on ABC at 9:00 PM


The search for America's Next Greatest Inventor continues in the first of four semi-final rounds. Ed Evangelista, one of the four judges, mentors three of the semi-finalists as they each use their $50,000 prize money to develop their products.

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Countdown Show 1: Best Inventions
Season 1 Episode 6

Apr 20, 2006

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