James Halliburton, the man behind Waterbuoy, the auto-inflating keyfob device, will bravely enter the Dragons’ Den in the fifth series of BBC2’s hit TV show.

To find out how James fares against the fierce panel of Theo Paphitis, Peter Jones, Duncan Banatyne and the rest of the Dragons, watch BBC2 tonight, Monday 19th November at 9pm or set your video recorder or Sky box accordingly.