Closed captioning reveals that "Dancing Queen" by ABBA was supposed to be played instead.
When all the truckers tried to ram Homer and Bart off the road, Homer says to Bart that "They're hazing us to join the trucker fraternity, thank you sir may I have another?" The "thank you sir may I have another?" part is from Animal House.
The movie Homer and Bart watch at the drive-in is a play on several horror films.
The scene where the truckers block the road is similar to a scene from the movie Convoy.
In one shot where Homer is talking to Marge, the back of the truck's cab is colored gray instead of its correct red.
When one of the truckers jumped to Homer's trailer to puncture his tires with a knife, he jumped from a pink truck that was behind the trailer, but when he looks back, his truck is gone.
Lisa says she’s protesting a “new restaurant“ yet it seems to have been in business for a while as Red Barclayand Tony Randall have finished the Sir Loin a lot steak.
It would be very dangerous for Homer and Bart to step out of the truck just because it is automatically driven. They could slip down and get injured. This may be an intentional move to showcase Homer and Bart's stupidity and impulsiveness.
Also, the automatic driver would have stopped the truck due to having nobody in the cab.
Homer never pays for the pills he gets from the market, and the Clerk expresses no disapproval or concern about this.
Homer wouldn't be allowed to drive the train just because he somehow needs to get back to Springfield unless he is trained as train driver.