Mark Cuban is saying goodbye to "Shark Tank" ahead of his final episode on the ABC reality show. He has been a full-time shark on the business series since 2012 after joining as a guest investor in 2011.

It’s the end of an era for Shark Tank: on Friday, Mark Cuban’s final episode airs, and the long-standing celebrity investor will finally bid the hit show adieu.

Mark Cuban is one of the most loved sharks on "Shark Tank" and one of the most unloved sharks on "Shark Tank." A look back at his time on the hit reality show.