Nirav Tolia, founder of the successful neighborhood networking service, Nextdoor, brings his desire to inspire and mentor the country’s sharpest entrepreneurs in this week’s new episode. First into the tank are entrepreneurs from Brooklyn, New York, and Charlotte, North Carolina, whose experience as triathletes led to the creation of their custom reinvention for a solution to a problem for swimmers. A trio of entrepreneurs from New Orleans, Louisiana, introduce their dating tool which helps cat lovers find their purrfect match. Entrepreneurs from New York City pitch their clean product designed to encourage children to wash their hands; while an entrepreneur from Houston, Texas, hopes her beauty line inspired by her African heritage makes the cut.