8 Mevsim
64 Bölüm
Bang Goes the Theory - Season 8 Episode 7 7. Bölüm (2014)
The team look at measures engineers take to ensure Britain's rail system stays on track.
- Ülke : United Kingdom
- Tür : Family, Documentary
- Stüdyo : BBC One
- Yönetmen :
- Oyuncular : Liz Bonnin, Dallas Campbell, Jem Stansfield
