Mark finds that he is jealous when his friend Jonas seems to learn kung fu much more quickly than he did.

When an old friend comes to visit, Charlie is not at all happy with the changes he sees--especially when Rick gets reckless on his snowboard, chasing X and some

Knowing that the mountain trails are unsafe for bicycles due to fallen trees and other obstacles, Jonas helps organize a clean-up crew in early spring, but when

While studying kung fu to try to overcome his clumsiness, Mark learns something that may interfere with his friends' plans for a group Halloween costume.

When his family moves into his recently deceased grandmother's house, ten-year-old Charlie meets a boy who also likes to skateboard, but then finds that his own