The most successful inventions and products.

Dave gets invited to appear on "Shark Tank" to pitch his latest invention, but an initially excited Ken ultimately worries about how his son will be treated. Meanwhile, Molly's internship at Welltopia gets rave reviews from Pat.

When Debbie creates a unique purse, Jackie gets them booked on "Shark Tank"; Amber choreographs Abby's dance for a big recital.

The deal fell apart in Season 5 between shark Mark Cuban and New York City entrepreneurs Josh Hix and Nick Taranto and their chef-designed meals at-home online business, Plated. Then a chance encounter and a new investment with shark Kevin O'Leary helped to revive it. But costly mistakes make Kevin increasingly doubtful that the duo can make a profit.

Mark Cuban goes one-on-one with the Austin, Texas team from Beatbox, a boxed wine geared towards millennials. Beatbox creators got a deal during Season Six, and know they have to convince Mark that they can find innovative and creative ways to bring in new customers.