Cuban started as a guest shark in Season 2, and then officially joined the Emmy-winning show in Season 3 with Daymond John, Barbara Corcoran, Robert Herjavec, and Kevin O’Leary. Lori Greiner ...

In a preview video of Friday’s episode, “Shark Tank” teased Cuban’s “heartfelt farewell” to fellow Sharks Kevin O’Leary, Barbara Corcoran, Lori Greiner, Robert Herjavec and Daymond John.

"I've learned so much from all of you," Cuban said to Barbara Corcoran, Lori Greiner, Robert Herjavec, Daymond John and Kevin O'Leary. "And to 'Shark Tank,' The people who supported us, to the ...