reCAPTCHA and Duolingo: Luis von Ahn

We're hard at work planning our next live show, so we bring you this favorite from the last year: Kate Spade. A 1991 conversation at a Mexican restaurant led Kate & Andy Spade to ask, "What's missing in designer handbags?" Kate's answer was a simple modern-shaped handbag that launched the iconic fashion brand. PLUS for our postscript "How You Built That", we check back with Dennis Darnell and his line of garbage can fly traps. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

8 Tammi 201839min

We're taking a break for the holidays, so we bring you this favorite from the last year: Clif Bar. Gary Erickson asked his mom, "Can you make a cookie without butter, sugar or oil?" The result was an energy bar named after his dad — now one of the most popular energy bars in the U.S. PLUS for our postscript "How You Built That", we check back with Alec Avedessian about Rareform, his line of bags made out of old highway billboards. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

1 Tammi 201830min

In 1978, Arthur Blank and his business partner Bernie Marcus were running a successful chain of hardware stores called Handy Dan – but then, they were unexpectedly fired. The next year, they conceived and launched a new kind of home improvement store that flopped on opening day, but went on to become one of the biggest private employers in the U.S. The Home Depot now earns annual revenue of almost $100 billion. Recorded live in Atlanta. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

28 Joulu 201732min

We're taking a break for the holidays, so we bring you this favorite from the last year: Patagonia. In 1973, Yvon Chouinard started the company to make climbing gear he couldn't find elsewhere. Over decades of growth, he has implemented a unique philosophy about business, leadership and profit. PLUS for our postscript "How You Built That", we check back with Brett Johnson of Firedrops — cayenne pepper lozenges. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

25 Joulu 201726min

When Alexa von Tobel was just 14, her father passed away unexpectedly, leaving her mother to manage the family's finances. The tragedy made Alexa determined to understand money – and help others plan for periods of uncertainty. In her mid-twenties, she founded LearnVest, a tool that simplifies financial planning and investing. Within three years, the company was providing support to millions of customers. In 2015, she sold LearnVest for a rumored $250 million. PLUS for our postscript "How You Built That," how Dillon Hill built Gamers Gift to help bed-bound and disabled patients enjoy a wide range of places and experiences —through virtual reality.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

18 Joulu 201739min

In 1979, Robert Johnson was a lobbyist for the burgeoning cable industry. That's when he got an idea for a channel called Black Entertainment Television. He started small, just a few hours of programming a week. But by the 1990s BET had become a cultural touchstone. In 2001, he sold BET to Viacom for $2.3 billion, making him the first African-American billionaire in US history. Recorded live in Washington, D.C. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

14 Joulu 201740min

In 1970, Tom Chappell took out a $5000 loan to launch a natural products company called Tom's of Maine. Working out of a warehouse in Kennebunk, Maine, he created soaps, shampoos, and toothpaste free from added chemicals, and sustainable for the environment. When he sold the company three decades later, Tom's of Maine had become one of the largest natural products brands in the world. PLUS for our postscript "How You Built That", we check back with Paul Kaster, who two years ago started a company that makes wooden bowties, and is now starting Carbon Cravat — which makes bowties out of carbon fiber. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

11 Joulu 201736min

We're hard at work planning our upcoming live show, so we bring you this favorite from the last year: Zumba. Zumba began as a mistake: aerobics teacher Beto Perez brought the wrong music to class, then improvised a dance routine to go with it. For his students, it was more fun than work — and it eventually grew into one of the biggest fitness brands in the world. PLUS for our postscript "How You Built That," how Alex McKenzie is hoping to upgrade the menu of your neighborhood ice cream truck by offering exotic flavors, high fat content, plus low-guilt options for the health-conscious. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

4 Joulu 201740min