This is the third time Huck's car number is 13. The first two times, however, it was a police car, while this episode it is a fireman's truck.
Huck: I'll learn that dog a thing or three.
Huck: Shucks, I lost my cattail.
Huck: Scat, kitty cat. Scat!
Huck: To handle dogs, you have to be smarter than a dog.