It's Summer! Searching for the Treasure

Synopsis

Searching for the Sabotenbrothers to reclaim the hourglass, the Ham-Hams arrive at some ancient ruins. Catching wind of a legend that treasure sleeps inside, Hamtaro and the gang forget all about the hourglass and dive on in. Meanwhile, Otome-Zoo has also washed ashore on the island. Inside the ruins, the Ham-Hams meet Fox-kun and Tanuki-kun and use their treasure map to push deeper—only to be stopped by all kinds of strange traps. Just then, Otome-Zoo turns up…