Ultraman Taro: S1 E6 - Jewels Are A Monster's Meal
An enormous slug appears at the Shiratori family house where Kotaro currently resides. The talisman pendant Kotaro obtained in Egypt seems to be the cause. After deciphering the pendant's instructions in ancient Egyptian, they discover a big problem. The talisman turned out to be the legendary stone that summons the monster Jirenma.