As Mark Cuban bids Shark Tank farewell, he's looking back on the things he'll miss the most. While exclusively speaking to PEOPLE about the upcoming 16th season of the business show, Cuban, 66, opened up about the emotions he was feeling as he headed into filming his final day.

The "Shark Tank" cast is heartbroken over Mark Cuban's decision to leave the hit business and entrepreneurship reality series. "Like losing a brother, it's terrible. I know I'll get over it; I hope I'll get over it,

As Vice President Kamala Harris is blitzing battleground state Wisconsin Thursday, billionaire businessman Mark Cuban is campaigning along with her.