Thud and Blunder in "Knock-Off Time"
- વર્ષ: 1964
- દેશ: United Kingdom
- શૈલી: Animation
- સ્ટુડિયો: National Coal Board Film Unit, BFI, TVC London
- કીવર્ડ: safety, coal mining, miners, civil disobedience, collier, psa, public information film
- ડાયરેક્ટર:
- કાસ્ટ:
