Round the Twist (1990)

S2E12 Little Black Balls

Nell possesses a precious opal that has mysteriously vanished, only to be discovered that it was consumed by a goat. Now, the whole town is in a frenzy, desperately searching through the goat's droppings to locate the lost gem. As the chaos unfolds, friendships are tested and unexpected alliances form, all in the quest to reclaim Nell's valuable treasure.