First into the Tank is a family of entrepreneurs from Chapin, South Carolina, and Fairhope, Alabama, who present a product that satisfies a unique, and some would say disgusting, obsession; husband and wife duo Joanna and David Parker from Englewood,... (more) New Jersey, introduce their convenient subscription service that makes meal time for kids stress-free for parents; an entrepreneur from Yorba Linda, California, pitches his Bollywood-inspired dance fitness program that gets the Sharks dancing; last into the Tank is a husband and wife pair from Dallas, Texas, who give the Sharks a taste of their better-tasting probiotic beverage.