Sometimes, the sharks are seriously out. For this list, well be looking at times when either individual Sharks or the whole shiver turned down a contestants idea in a bare-knuckled fashion. Our countdown includes pitches from companies Cougar Limited, Esso Watches, MinusCal and more! What is the biggest scam you remember seeing on the show? Let us know in the comments!

Check out these other Shark Tank lists:
Top 20 Rejected Shark Tank Pitches That Became Successful: https://youtu.be/Jrl2YfX5_-Q
Top 10 Shark Tank Products the Sharks Regret Taking: https://youtu.be/DnjVAWkEvA8
Top 10 Biggest Arguments on Shark Tank: https://youtu.be/0_USLBQy5UM

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