Opens with the quote, "So the animals debated how they might drive the robbers out, and at last settled on an idea., from the Brothers Grimm fairytale "The Bremen Town Musicians".
At 36:06 a door in the villains' lair has the number 214 which corresponds to season 2 episode 14.
The music playing in the 'Junkyard Dog' Saloon is Rammstein's "Bück dich"
The episode's title is a riff on the movie Natural Born Killers.