Continuity mistake: When we see the crowd aghast at the wolf's trumpet playing at the House of Sticks, there is a woman sitting with her partner at a table and she is holding a glass in her hand. But after a quick cut to the wolf playing, we return to the crowd and her glass is nowhere to be seen.
Continuity mistake: When the three little pigs are not impressed with the wolf's trumpet playing, you can see the pig that plays the drums has drumsticks in his hands. But when he and the other pigs throw the wolf out of the House of Straw, the drumsticks have gone.
Continuity mistake: When the Three Little Bops are performing at the Dew Drop Inn, you can see there is a double bass behind the pigs when they are playing, but when the camera cuts to the piano player, the double bass has disappeared.
Continuity mistake: When the pig holding a guitar says "We've heard the most", you can see there is a saxophone behind him. The saxophone disappears in the next shot.
Continuity mistake: When the three pigs are performing at the House of Straw, the saxophone behind the pig playing the guitar changes position between shots.
Continuity mistake: When the pigs are performing with the wolf's spirit at the end of the cartoon, the sign saying "The Three Little Bops" has a yellow background, but in the next shot changes to a peach colour.
Continuity mistake: When the three pigs are listening to the wolf playing his trumpet in Hell, the position of the double bass behind the pig who is playing the piano changes between shots.