Shark Tank

Cuban: ‘I’m allergic to scams’

'I'm allergic to scams'
'I'm allergic to scams'   

Mark Cuban has his doubts that the Esso watch helps with balancing and isn't afraid to call this product out.

Tuesdays have more bite with back-to-back episodes of "Shark Tank" on CNBC every Tuesday night at 8 p.m. & 9 p.m. ET/PT.

Contact Shark Tank

  • GET THE FREE CNBC MAKE IT NEWSLETTER

    A daily email for dreamers, doers and game changers.

    Please enter a valid email address
    Get this delivered to your inbox, and more info about our products and services. Privacy Policy.

Meet the Sharks

  • Mark is the highly successful entrepreneur and investor who founded HDNet, Broadcast.com and MicroSolutions.

  • Barbara Corcoran parlayed a $1,000 loan into a five-billion-dollar real estate business.

  • Lori Greiner started with one idea and turned it into a multi-million dollar international brand.