8 Season
64 Episode
Bang Goes the Theory - Season 5 Episode 7 Helium Shortage, Radiation and Airport Security
Dallas investigates a potential global helium shortage, Dr Yan tests shoppers on how much they know about radiation, and Liz tries out the new airport security technology that can see beneath your clothes.
- Country : United Kingdom
- Genre : Family, Documentary
- Director :
- Cast : Liz Bonnin, Dallas Campbell, Jem Stansfield
