After Bill and Tommy break into the RV at the railroad park, they jump out through an open window.
When Beethoven broke free from the camper's mirror in which he was tied to, in the next scene, when Beethoven is running to Brennon's aid, you can then see in the background that the mirror on the camper is still intact, as if it were never broken off.
As the crooks' car is chasing the RV while covered in cement and leaving Colorado en route to Camp Bluff Lake, its license plates are missing. But after they arrive in a small town whilst covered in algae, they're back on.
The Land Before Time V: The Mysterious Island (1997) was released in 1997, not 1998 as the copyright notice claims in the closing credits of this movie.
The video store clerk lists off the cast and crew of The Shakiest Gun in the West and gives a release year of 1967. The film was released in 1968.
When Brennan looks at the DVD of The Shakiest Gun in the West (1968), look carefully at the back of the case. The 1990-1998 MCA/Universal Home Video logo is visible. This logo was never used on any Universal DVDs, nor any other MCA logo, and was exclusive to VHS tapes and LaserDiscs.
The Shakiest Gun in the West (1968) was not released on DVD until 2003, three years after this film.
Quenton, the video store guy, says that The Shakiest Gun in the West (1968) is from 1967, but it is actually from 1968.
The portable DVD player that Brennan attempts to watch The Shakiest Gun in the West (1968) on displays the typical blue VHS play screen before showing the computer codes.