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Mr. Wonderful's wicked best deal ever

Thursday, 1 May 2014 | 12:00 AM ET

One appearance on "Shark Tank" can change everything for your business, and also make the sharks a TON of money. CNBC took a deeper dive inside the series "Shark Tank," and asked all the sharks to tell us the best deals they ever made on the show. Here's Mr. Wonderful himself, Kevin O'Leary, and what some folks in Boston might call a wicked good deal.