Barbara Corcoran offers advice to the entrepreneurs behind the successful women's clothing company Grace and Lace; Daymond John invites a proponent of urban beehives to his Upstate New York

Lori Greiner checks in on the creators of the Paintbrush Cover; and Robert Herjavec tries to help the inventors of Lollacup reignite sales. Also: Success is found by a brand of gluten-free cookies the Sharks

Barbara Corcoran explains to the founders of Cousins Maine Lobster why they should hold off on expanding; Daymond John takes a boy he's mentoring on a tour of his childhood home in Brooklyn; and Kevin O'Leary offers advice on being more efficient to the makers

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