The 18 best 'Shark Tank' pitches ever

Since "Shark Tank" debuted in 2009, we've seen hundreds of entrepreneurs pitch their businesses to a panel of celebrity investors.

While each Shark may have their own method for evaluating whether a company is worth an investment, they all agree on the fundamentals of a great pitch.

In the best pitches, entrepreneurs sell themselves as much as the product and are prepared to answer any question. The pitches are concise and exciting, and make investors afraid they'll miss out on a major money-making opportunity if they don't make a deal.

A great pitch is far from a guarantee of success, but it's one of the first hurdles to becoming the next hit company out of "Shark Tank." In anticipation of the seventh season's premiere on Sept. 25, we've rounded up the best pitches in the show's history.