Christmas in July; actress Alison Sweeney from the Hallmark Channel original movie "Evergreen Inn"; actress Madison Iseman ("Still the King"); "Nerdy Nummies" baker Rosanna Pansino whips up reindeer brownies; Jason McGee and The Choir performs; chef Marcela Valladolid cooks apple mint lamb chops; 3D chalk artist Tracy Lee Stum creates amazing holiday art.