Catch up TV on Dragons' Den. Watch the latest and all other episodes of Dragons' Den now online, broadcasted on ABC1. Catch up on your favorite ABC1 TV show: Dragons' Den. Replay tv on its best! Entrepreneurs pitch bold new ideas and inventions to five hard-nosed multimillionaires, the Dragons. They must convince one or more of the Dragons to invest a specific amount of their own money - or they fail.