In the 1973 Christmas special, when Albert and Harold are fighting over the cracker Albert's face goes into the trifle, and if you look carefully we can see that he just lets go of the cracker and puts his head in the trifle deliberately. See more...
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The entry you are correcting is:
|Title||Steptoe and Son|
|Original entry||Christmas Special 1973: At the end of this episode Harold picks up a knife and chases Albert round the table with the knife in his right hand, but when the door bell rings the knife has disappeared.|