Ben & Holly's Little Kingdom (2009)

S1E30 The Ant Hill

In the kingdom, a series of mysterious disappearances occur, prompting Ben and Holly to investigate. They soon discover that a colony of ants is behind the thefts, pilfering various items from the inhabitants. Determined to put a stop to the antics, the duo sets out to confront the tiny thieves and reclaim what has been lost. Their adventure uncovers the ants' motivations, leading to unexpected lessons about sharing and understanding among the kingdom's residents.