Dragons' Den: Series 13 (2015)

A trailer tent tall enough for Peter Jones to stand up in has the Dragons reaching for the instruction manual, and an entrepreneur with a self-serve beer pump hopes he won't be leaving the Den bitter...The Dragons turn fifty shades of angry over a product that promises to banish grey hairs, and they get more than they bargained for when a zombie bootcamp business turns the Den into a little shop of horrors...