Audio problem: Any time that the cars are squealing tires, there is an appropriate sound. However, every time they are sliding in dirt, there is the same sound. Unless there is asphalt or concrete under the dirt, there couldn't be any squealing sound.
Audio problem: At the end, as Bo reaches in to honk the General's horn to announce Rosco's arrival, you can see his hand doesn't touch the steering wheel.
Swamp Molly - S1-E6
Audio problem: In Hogg's office in the Boar's Nest, after Roscoe tells of the activities, Boss goes to put the needle back on the record. Trouble is, the record doesn't move until Boss turns it, but the music started before the record moved.
Audio problem: During the final run to the Boar's Nest, Luke is driving General Lee. There is one final jump, and you hear Bo's rebel yell, but Bo is at the Boar's Nest.
Audio problem: After Jessie and Cooter get into Limo One, Bo explains where Daisy is to meet them, but his mouth doesn't move, and the voice covers the sounds of everything else.
Audio problem: As Jesse, Bo and Luke are about to leave after Jesse bails them out, Jesse says "C'mon." It's voiced by someone else. (00:05:50)
Audio problem: In the Boar's Nest, when the Oak Ridge Boys are singing, you hear a familiar "Yeee-haw!" This is from Bo, and you hear it now and again, even when you see Bo in a close up, and his mouth doesn't move.
Audio problem: When Bo and Luke come up behind the visitor in the blue car, Bo honks the horn and waves. When he does, only the last part of "Dixie" plays when the camera is on him. Then the camera cuts to her, and only the last three notes play about two or three seconds later.
Answer: Various reasons, but mainly to drive the Dukes out of Hazzard County because the family have been foiling his schemes since his and Uncle Jesse's bootlegging days.
Captain Defenestrator