As they begin their journey home from their student exchange term, Charlie Brown and the gang find themselves sidetracked. They have severe car trouble and more importantly, they pass by various monuments to World Wars I & II. With Linus guiding them through these memorials, they learn about the events of the wars and the sacrifices required of the troops who fought them.
Aviation disaster-prone Joe Patroni must contend with nuclear missiles, the French Air Force and the threat of the plane splitting in two over the Alps.