Hamtaro: Ham-ham Heartbreak (GBA)

When a mean-spirited hamster named Spat starts squabbles among the rest of the hamsters, Hamtaro and Bijou set out to get friends to make up. As they mend fences, they get help from Harmony, an angelic hamster with a heart of gold. Along the way, they have to learn the secret hamster language known as Ham-Chat in order to solve problems and move on.