Thud and Blunder in "Knock-Off Time"
- Urtea: 1964
- Herrialdea: United Kingdom
- Generoa: Animation
- Estudioa: National Coal Board Film Unit, BFI, TVC London
- Hitz gakoa: safety, coal mining, miners, civil disobedience, collier, psa, public information film
- Zuzendaria:
- Aktoreak:
