The Crab with the Golden Claws: Part 1 - S1-E1
Continuity mistake: When Tintin explains to the Thompsons why he is rummaging through the bins, the Thompsons tell the garbage man to open the sack. Tintin then walks up to only a foot away from the man, but when Snowy is looking at the garbage sack there is no sign of Tintin. (00:04:35)