Assia and Shen are playing in the park when they hear a loud sound. Their dog, Dingo, run and hides! What could it be? Luckily, Chirp, a sound detective, is ready to explain how sound works. How does it travel? Can it travel under water? How about in outer space?This series teaches children about our five senses. Join Assia as she explores the wonderful worlds of sight, sound, smell, taste and touch!