The Japanese business-investment programme adapted into the UK series Dragon's Den was Money Tigers.
Money Tigers was a Japanese television format in which entrepreneurs presented business proposals to wealthy potential investors. The concept was adapted for the United Kingdom as Dragon's Den, replacing the original title and localising the panel, language and business context.
The international franchise is often associated with the title Shark Tank, but that is the name used for a separate adaptation in the United States and some other markets. The underlying format has travelled widely, while each territory has selected its own title and panel.
The word “Tigers” can also cause confusion because the British programme uses “dragons” as its investor metaphor. The answer is the name of the Japanese predecessor, not a description of the British investors or a later international version.