A young entrepreneur from Burbank, CA shows how his motorized vehicle suit can take you from walking to driving in an instant. Emmy Award-winning comedy writer Bruce Vilanch demonstrates how a virtual classroom designed by a Key West, FL entrepreneur can teach technology to Baby Boomers. Also, two grandmothers from Yelm, CA hope to make a sweet deal with their sugar free candy chips. And a man from San Francisco, CA tells the real estate-savvy Sharks how his search engine can find homes for sale that will provide high returns. In a follow up segment, Jeffrey Cohen gives an update on his Voyage-Air foldable guitar, a business the Sharks turned down in Season 1 - but he later returned to the Tank and made a deal with Kevin O'Leary.
Season 4 Episode 9 of Shark Tank resulted in a 2.10 rating in the 18-49 demographic.
Shark Tank follows aspiring entrepreneurs as they present various business ideas to moguls (known as "the sharks") in hopes of landing an investment in their ideas. Each week, ambitious entrepreneurs present their breakthrough business concepts to ruthless investors to convince them to invest in the concept.