Sam's favorite thing about second grade is the class pet, a hamster named George Washington, so when the class goes on a field trip to a science museum, Sam cannot resist bringing George along.
When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.
Fourth-grader Hank, while on a field trip aboard "The Pilgrim Spirit," tries to learn knot tying in his own unique way, which causes unforeseen problems.