Neptune is usually gone, and Uranus and Saturn want to know why that is or where exactly does he go. The answer is... kinda obvious, really. But also sad.
Fun Facts: This episode marks one of the few times a celestial body follows their orbit instead of getting out of it. This episode reveals that Uranus, Saturn, and Neptune interchangeably pronounced Uranus' name as Yur-ay-nus and Yur-en-us.
