The surprising reason behind Barbara Corcoran's decision to join the first-ever all-shark deal on Shark Tank and why she was ...

In a rare moment of regret on ABC's Shark Tank, Kevin O'Leary watched a potential goldmine slip through his fingers.

In a memorable 2015 episode of ABC's Shark Tank, Kevin O'Leary delivered one of his most controversial rejections.

One of the most dramatic scenes on ABC's Shark Tank occurred when Robert Herjavec, Mark Cuban, and Kevin O'Leary left the set ...