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.

Genre:

Family, Documentary

Seasons:

8

Episodes:

64

Actor:

Liz Bonnin, Dallas Campbell, Jem Stansfield

Quality:

HD

Status:

Ended

First Air:

2009

IMDb:

7.8