Wednesday January 2: Mary Sciarrone, Maddalena Castano, The Gronkowski Brothers

Cake Boss stars MARY SCIARRONE and MADDALENA CASTANO share their Zucchini Casserole recipe, and BUDDY VALASTRO talks about his latest project! Then, the story of a family of five boys who all became professional athletes — brothers CHRIS and GORDIE GRONKOWSKI talk about their family business and their sports-loving bros. Plus, musical siblings WE THREE (America’s Got Talent) perform their upcoming single, and a couple who adopted four siblings from the Ukraine share their inspiring story.