Dragons' Den is a television series where entrepreneurs pitch their business ideas to a panel of wealthy investors, known as the Dragons. The goal is to secure investment in exchange for equity in their companies. Each episode features several pitches, with the entrepreneurs facing tough questions and scrutiny from the Dragons. The show originated in Japan and has been adapted in various countries, including the United Kingdom and Canada. It highlights the challenges of starting a business and provides viewers with insights into the investment process, negotiation tactics, and the importance of a solid business plan.