James "Gum" Shoo and his friends are on a trip to the River City Natural History Museum, where they discover that a small dinosaur model and some chickens have

A trip to the natural history museum quickly turns into a case for Gum Shoo and friends when a dinosaur, among other things, goes missing.

A trip to the natural history museum quickly turns into a case for Gum Shoo and friends when a dinosaur among other things go missing.

At the amusement park, things go wrong for Sam and her friends.

Edward "Egg" Garrison and his friends are on a field trip to watch the local minor league baseball team, but a theft at the concession stand is delaying the gam