Time Bokan 2000: Kaitou Kiramekiman Episode 21

Set in the near future, the world is shaken by a couple of young thieves named Kiramekiman, who issue warnings before they go into action. Once they set their sights on a target, they never fail to steal it. Meanwhile, a detective trio is in pursuit of the Kiramekiman group but are unable to catch them. Secretly, the goal of Kiramekiman is actually noble, since they are only stealing certain objects in order to maintain peace in the future.

(Source: Wikipedia)