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Shark Tank is an American reality TV show that began its original run in August 2009 and was renewed for a fourth season in May 2012. It is the U.S. version of the popular worldwide television show Dragons' Den, which originated in Japan and now has versions in dozens of other countries, including Canada, Australia, the United Kingdom and Sweden.

In all countries, the show focuses on a series of contestants who believe they have come up with a profitable product or business idea but need money to fund it. They can pitch their idea on the show to a group of entrepreneurial businesspeople, known as the "sharks" in the U.S. version. The sharks then question the contestant about their product to determine if it would be a good product to invest their money in. The contestants have a set amount of money they wish to raise for their product, and if they cannot raise that much, they get nothing. However, if they can persuade the sharks to provide the money they need, the invested sharks then get a percentage of the company's stock in return.

Four sharks have been on all three seasons of Shark Tank, with a few others being in only one or two seasons. The main four are IT security firm owner Robert Herjavec, real estate millionaire Barbara Corcoran, former president of The Learning Company Kevin O'Leary, and FUBU founder Daymond John. Currently the shark panel also includes Mark Cuban, billionaire owner of the Dallas Mavericks, who replaced business executive Kevin Harrington on the show. In season two, comedian Jeff Foxworthy was also one of the sharks.

Friday at 9:00 PM et/pt on ABC
9 Seasons, 194 Episodes
August 9, 2009
Cast: Kevin O'Leary, Phil Crowley, Robert Herjavec, Mark Cuban
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Shark Tank Full Episode Guide

  • An entrepreneur from Brookline, Massachusetts, empowers women to create a community that prioritizes living well, working hard and encouraging women to build businesses of their own with her idea; a trio of entrepreneurs from Williamsburg, Virginia, pitch the sharks a fresh, new way to ease people into water sports with their all-in-one invention; a registered nurse turned entrepreneur from Carlsbad, California, helps breastfeeding moms find a healthy and convenient way to increase their milk supply with her delicious food item; a panda-loving entrepreneur from Burbank, California, hopes to make panda lovers out of the Sharks when she presents her animal-themed pet apparel company.

  • An entrepreneur from New York City presents an innovative line of flatware, cups and plates that makes eating more hands-free and carefree; the only airtight, self-sealing zip-top bag in the world made entirely of pure silicone with all the benefits of glass is introduced by an entrepreneur from California; an Arlington, Virginia, entrepreneur hopes to take nap time to a whole new level; an entrepreneur from Pennsylvania is hoping to sell the Sharks on his non-toxic, super hydrophobic spray that repels stains.

  • An entrepreneur from Brooklyn, New York, introduces an ingenious kitchen tool that solves one of the biggest gripes in cooking

  • A pair of entrepreneurs hope they have the fix for keeping people warm during the holiday season; an entrepreneur has taken the Christmas tree to a whole new level; an entrepreneur is hoping the sharks will like his take on covering a Christmas nuisance; and an entrepreneur duo may have just found a child's direct connection to jolly old Saint Nick.

  • In this episode, an entrepreneur with a "hate connection" app hopes to match with the Sharks; coconut water is all the rage, and one entrepreneur looks to bank on that with their new invention; one entrepreneur is hoping to help you reduce chronic disease by doing your own lab work; and an entrepreneur duo may have just found your favorite breakfast on the go.

  • Two firefighters and entrepreneurs from Pembroke Pines, Florida, introduce their healthy, smoked fish dip; a hair- and beard-cutting template from an entrepreneur in Chapel Hill, North Carolina; two entrepreneurs from Vancouver, Washington, who created a unique hybrid of a stuffed animal and blanket for families on the go; and a device that chills an entire bottle of wine in just 30 seconds from an entrepreneur in San Francisco, California.

  • A U.S. Air Force fighter-jet machine-gun mechanic from Columbus, Ohio, introduces a high-performance problem-solver; an entrepreneur from Queens, New York, hopes the Sharks bite into a DNA test that aims to aid and optimize medical research; a Dallas, Texas, entrepreneur duo hopes to lure the Sharks with their high-tech solution for a common household chore; robots and drones are all the rage with boys, but one Bethesda, Maryland, entrepreneur is hoping to encourage more girls to get into coding and technology.

  • An automatic dog potty system that wraps and then seals the waste to maintain a clean and odor-free home from an entrepreneur in Chicago, Illinois; two entrepreneurs from Phoenix, Arizona, designed an app to make tipping easier; twin entrepreneurs from Sacramento, California, hope to make the world of pickup basketball much simpler; and an invention that absorbs moisture and deodorizes sweaty sports gear from an entrepreneur in Ashburn, Virginia.

  • 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.

  • An entrepreneur from Santa Monica, California, introduces the world's first all-electric, free car-sharing service; a monthly membership that makes it easy for parents and caregivers to discover, book and attend family activities at an affordable rate, from an entrepreneur in Chicago, Illinois; a Cambridge, Massachusetts, entrepreneur invented a product that can turn any regular bicycle into an electric bike in under one minute; and a digital baby journal that captures memories through text message, from an entrepreneur in Auburndale, Massachusetts.

  • 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.

  • Millennials create a line of premium shirts.

  • Alex Rodriguez sits in with the Sharks as Rob Gronkowski and his brothers pitch an insulated sports bottle to the group. Other pitches include a tool to soothe foot pain; a sweeter way to eat a popular snack; and an inventive way to keep belongings safe.

  • The Sharks debate if the solution to make coffee taste even better from two entrepreneurs from Cedarville, Ohio, is too much of a niche product; an entrepreneur from Woodland Hills, California, is at the forefront of a hot trend for those who need to increase their focus while decreasing stress; a high-energy mom from La Center, Washington, has a product that will make kids love brushing their hair; and two men from Midvale, Utah, surprise the Sharks about the danger of something they wear every day. Also, a follow-up with Tara Brown from San Diego, California, and Sleep Styler, which Lori Greiner invested in during season 8.

  • Rohan Oza sits in with the sharks. Products include ultimate survival kits; a wireless microphone designed to engage kids; and an app to navigate airports.

  • In the Season 9 opener, Richard Branson sits in with the sharks and vents his frustration with Mark Cuban. Products include an aerial-sports item and a meditation app.

  • Two entrepreneurs from Placentia, California, pitch their solution to embarrassing underarm sweat marks and stains; brothers and best friends from Walnut Creek, California, believe their belt buckle that doubles as a wallet is the most convenient way to carry your essentials; U.S. Army veterans from Chicago, Illinois, hope to empower farmers in a war-torn country by helping them cultivate and harvest saffron; and a former executive chef from Colorado Springs, Colorado, with an unlikely story, thinks his multi-purpose mixing bowl will become the next go-to kitchen gadget. Also, a follow-up with Robin "Wombi" Rose and John Wise from Cambridge, Massachusetts, and their 3D paper pop-up greeting cards, LovePop, that Kevin O'Leary invested in during season 7.

  • The Sharks are pitched a fitness apparel line that caters to women who love building their booty, a no-spill, portable and stem-less wine glass business and a rescue signal that could make the difference between life and death.

  • The Sharks are pitched a smartphone app that can improve personal security, a safer take on the bicycle and an app that helps shoppers and diners earn free parking in exchange for their business.

  • The Sharks are pitched a unique wine for cats, a portable shelter that ensures you're covered wherever you go and a maintenance-free and fun way to make anyone into a gardening guru.

  • The Sharks are pitched tasty, artificial-free nutrients, training and educational courses for would-be drone pilots, and elephant-themed apparel.

  • The Sharks are pitched a subscription service that teaches kids how to code, an app where children can use an animal plush toy to send and receive voice mails, and a method for growing indoor plants with software that automates water, light and plant food.

  • A firefighter and his wife hope the Sharks make a smoking hot deal for their durable bags made from gear that protects on the front lines of firefighting; a vibrating mat that can calm a crying baby in seconds was born from the experiences of a pediatric nurse from Boston, Massachusetts; a former Army intelligence officer and his business partner from Portsmouth, Ohio, have made it their mission to heal America's wounds with an ointment made from essential oils; and a Peace Corps volunteer from Peninsula, Ohio, was inspired by his time in the Amazon rain forest to produce a natural fruit snack made with acai. Also, a follow-up with R. Riveter, which provides jobs to military spouses that Mark Cuban invested in during season 7.

  • The Sharks are pitched a unique cooler that keeps multiple drinks separated inside one cold container, a stylish version of baby mats and a portable pressurized shower kit.

  • The Sharks are pitched tiny rental houses in the woods where people can unplug, recharge and rebalance their lives, snack chips made with cricket flour, and earplugs designed to filter out damaging levels of sound while protecting one's ears.

  • The Sharks are pitched an eco-friendly grease disposal method, an epic display of block toys and stylish nursing apparel for breastfeeding moms.

  • The Sharks are pitched a beautiful line of dolls of girls of color, cat companion products and a one-stop online shop for replacing men's outworn undergarments with affordable, high-quality new ones.

  • The Sharks are pitched an idea that Santa Claus replies to children's letters, complete with the North Pole postmark, a more functional winter glove, and personalized gift-giving.

  • The Sharks are pitched an electric skateboard business, human-quality pet food delivered fresh and a new generation of chewable coffee products made to optimize physical and mental function.

  • The Sharks are pitched a subscription service for puppy products, algae as a nutritional health supplement in America, design apparel for athletic builds, and a fishing line cutting tool.

  • The Sharks are pitched a way to make house hunting more convenient, a lemonade-stand business to help kids start their own businesse and a Made-in-America multi-functional cover for infant car seats.

  • The sharks are pitched a faux flower business, a way to test mercury levels in a single fish and a fashion brand geared toward the social media generation.

  • A biochemist has a way to get protection from the sun.

  • The sharks are pitched a stylish clothing line for little ones, delicious maple syrup products and a multi-use kitchen accessory.

  • The Sharks are pitched body sprays and lotions designed just for tween and teen girls, candy with a toy inside and a device that instantly turns a stick of butter into a spray.

  • The Sharks are pitched a new type of cookies by cookie legend Wally Amos, swimsuits for moms, and an invention that can save damaged tech devices.

  • The Sharks are pitched delicious heat-and-eat paleo meals, a high-tech device designed for catching fish hooks, and removable and reusable magnet stickers for hanging art.

  • The Sharks are pitched shoe slides, an app that can stop cyberbullying messages, an at-home beer dispenser that uses sound waves to make bottled and canned beer taste like draft, and heartwarming chicken soup. Also, an update on 2400 Expert, an SAT prep course in which Mark Cuban invested during season seven.

Shark Tank News

Spanx Founder Might Join 'Shark Tank' Panel

The underwear entrepreneur is in talks to join the hit show.

Yidio Exclusive: 'Shark Tank' Billionaire Mark Cuban Says He's 'Moving Forward' With College Football Playoffs

When billionaire investor Mark Cuban said a few months ago that he was going to try to personally fund a college football playoff system, it sounded like the off-handed whim of a dude with a lot of cash to burn.

Cuban - who has participated on reality shows “Dancing with the Stars” and “Shark Tank” - owns the Dallas Mavericks, HDNET and the Landmark Theatres chain, and has been lately pursuing ownership of another sports franchise (and not having much luck).

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Shark Tank Video Clips & Extras

Season 8 Recap - Shark Tank Clip (02:51) Under the Weather Pitch - Shark Tank Clip (02:32)