Shark Tank: Season 6, Episode 4

6 - 4: Week 3: FunCakes Rental, Paper Box Pilots, Tablejacks USA, Reviver

The Sharks consider a business idea for affordable wedding cakes brought to them by a mother and son from Grand Rapids, Mich. Also: a Houston restaurateur with a solution to a common problem encountered while dining out, and an update on a screen repair fix-it kit that Lori invested in during Season 5.