Commissioner Brumford: [On phone.] Hello? He did what? How many animals escaped? Oh, my god.
Frank: Hello, Commissioner. You're looking lovely this evening.
Commissioner Brumford: Do you realize that because of you this city is being overrun by baboons?
Frank: Well, isn't that the fault of the voters?
When Frank is driving the tank, a dog house is connected to the tank with a chain. You can see the chain is connected inside the dog house. When it cuts the chain is connected to the corner of the dog house.
Parody singer Weird Al Yankovic had cameo appearances in all three of "The Naked Gun" movies, but in this one he was in an 'unrecognizable' role; namely as the thug who holds the Police Squad at gunpoint until Frank opens the door, inadvertently knocking him out.