- Daymond John (Self - Shark)
- Barbara Corcoran (Self - Shark)
- Robert Herjavec (Self - Shark)
- Kevin O'Leary (Self - Shark)
- Phil Crowley (Self - Announcer (voice))
Shark Tank — S9E4
Episode: Episode 4
Air Date: 2017-10-15
Runtime: 42 min
Overview
Professional football player Rob Gronkowski and his brothers pitch an insulated sports bottle; a tool that quickly soothes foot pain; a twist on a popular snack; an innovative way to keep belongings safe.