Tayo the Little Bus

Mountain Ghost Incident (4x11)

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One night when Lani is driving near the mountainside, she finds a ghost-like glowing object. She told herself it's not the ghost but she couldn't hide her curiosity. When Lani told the little buses that she saw a ghost-like glowing object, the little buses do not believe it at first. But little buses become scared when they visit the mountain together and see it.