Shaggy and Scooby are being held on possession. Harvey defends the two in an entirely circumstantial case brought against them by Spyro. Harvey is just about to win the case when Velma and Fred catch an old cotton farmer masquerading as a green monster.

When Shoyu Weenie, a Japanese pop band, discovers that Jabberjaw and the Neptunes have stolen their hit single "Mochi Mochi" and made it their own, they decide to take their case to a higher power. When he's not available, they settle on Harvey.