Tracy hears some mysterious singing coming from Smiling Meadow, but can't figure out who or what is causing it. With the help of her friends, Tracy searches for the source of the music and learns there is always an answer to a mystery and has to keep trying until she finds out.
With Fall approaching, Jay Jay hopes to see the foliage change color, but Snuffy misinterprets this and decides to surprise Jay Jay by spraying paint all over the hills. Upon learning the mistake, Snuffy learns that the foliage changes itself.
Jay Jay and his friends go on adventures at the hanger where they Learn about Friendship and other values. Come see what happens in this exciting new adventure of Jay Jay The Jet Plane.