Be Quiet, Scooby-Doo!

Summary

To solve the mystery of a creepy Crystal Crawler - a bat-like cave monster - the Gang must venture into the Crystal Canopy - a labyrinth of intricate crystal formations. To make things worse, they can't speak a word while in the Canopy, because even the slightest sound will bring the crystals crashing down around them!

Guest stars

• Josh Keaton as Darren (voice)
• James Patrick Stuart as Colson McCready (voice)
• Kari Wahlgren as Frida (voice)
• Gwendoline Yeo as Dr. Lang (voice)