Shark Tank is an American reality TV show which premiered on ABC television in August 2009 and in May 2012 was renewed for a fourth season.
The series is based on the Sony Pictures Television International format Dragons' Den and features a panel of entrepreneurs and business executives called "Sharks" who consider offers from other entrepreneurs seeking investments for their business or product. The series is produced by Mark Burnett in conjunction with Sony and has been compared to the ABC series American Inventor.