第 17 集: 哈姆太郎揭開哈姆哈姆們失竊物品的謎團，以及勞拉被偷走的物品。

17

The Ham-Hams' things are relocating themselves under Boss' bed. After Snoozer's pillow is stolen, Hamtaro eventually finds that the thief is Penelope, trying to put everything away in an attempt at responsibility. Meanwhile, Laura's things and those of her classmates have disappeared too, where the thief is revealed to be a bird. (Source: Wikipedia)