The Japanese original adapted into the UK Dragons' Den format was called Money Tigers.
Money Tigers was the Japanese business television format on which the British series was based. Entrepreneurs presented their business ideas to a panel of wealthy investors, seeking financial backing in exchange for a share of their company.
The British programme retained the basic pitch-room structure but introduced its own title, presenter, investors and production identity. Other countries subsequently created their own versions, often changing the name and details while preserving the central negotiation concept.
This title is distinct from Dragons' Den itself and from Shark Tank, the American adaptation of the same broader format. Remembering the Japanese source helps explain why the programme appears in many national television schedules under different branding.