Guest Sharks Season 4 Shark Tank !!install!!

Before Season 4, the investor chairs rotated frequently. Season 4 changed the dynamic by locking in a permanent main roster:

During this legendary television run, which originally aired between September 2012 and May 2013, the production team made a strategic pivot that solidifies the show's structure to this day: Season 4 featured zero guest sharks in the tank. Instead, executive producer Mark Burnett established the "classic six" investor panel, opting to build intense chemistry and fierce bidding wars solely between the main cast. guest sharks season 4 shark tank