: The NFL star joined the pitch for the energy drink "PRO-NRG" in Episode 6. Robin Leach
(Episodes 7, 10, 13, 19, 24, 27, 28)
(Episodes 14, 15, 20)
The NFL running back appeared to help pitch a protein-infused energy drink. The Evolution of the Guest Shark Role guest shark shark tank season 4
Season 4 of Shark Tank expanded the tank with a rotating cast of guest investors, bringing fresh perspectives, industry-specific expertise, and new capital. While the core sharks (Mark Cuban, Daymond John, Kevin O’Leary, Robert Herjavec, and Lori Greiner) appeared in most episodes, several episodes featured guest sharks sitting alongside or in place of regulars. : The NFL star joined the pitch for
Examining the Guest "Sharks" of Shark Tank Season 4 While Shark Tank Season 4 is renowned for solidifying the "classic" lineup of the six main Sharks—Mark Cuban, Daymond John, Kevin O'Leary, Robert Herjavec, Barbara Corcoran, and Lori Greiner—it technically featured in the investor chairs. While the core sharks (Mark Cuban, Daymond John,