A graphic designer and a patent attorney from Olympia, Washington, have a high-tech way to make children's story time more magical, but the Sharks are skeptical of their business model; a father from Brooklyn, New York, has a brand of functional paternity clothing for new dads; parents from Salem, Utah, bring in their five daughters to showcase a solution to hairy drain problems in the shower and bathtub; and a former pro football player and his business partner pitch a better version of a workout device.

Also, a profile on Sara Blakely, the founder and sole owner of the category-defining company, Spanx, and how her brand was born from a simple goal. She is an advocate of empowering women to be whatever they want to be in order to build successful businesses and create economic opportunity in their communities.

A woman from Nokomis, Florida, dives into the "snark" tank with her brand of teas, which include ingredients laced with attitude; some Sharks are shocked when two ladies from Los Angeles, California, reveal that all women share a common hairy problem; parents from Albany, Oregon, solved the problem of babies touching the mess during diaper changes; and the Sharks think an entrepreneur from Aurora, Colorado, may be overvaluing his technology that can improve sleep and reduce stress.

In her Shark profile, Bethenny Frankel shares how she learned a lot about business by spending time with her father at the racetrack and how she always intended to use her reality-show stardom as a platform to become a business phenomenon by creating Skinnygirl, one of the most successful liquor brands in history.