Drip-Along Daffy (1951)

Continuity mistake: When we see Nasty Canasta's drink, you can see there are holes on the counter next to the glass when the bartender puts two ice cubes in it. When Daffy Duck dares Nasty Canasta to drink it, the holes have disappeared.

Continuity mistake: When Nasty Canasta is drinking at the saloon, you can see that he has a hairy torso, but when he sees Porky's toy soldier during his showdown with Daffy at the end of the cartoon, his chest appears clean-shaven.

Continuity mistake: When Daffy offers Porky a drink in the saloon, you can see Porky's face has stubble on it, but when he is reciting "Mary Had A Little Lamb" with Daffy, the stubble has disappeared.