The Super Mario Bros. Super Show! (1989)

S1E47 The Great Gold Coin Rush

The Mario brothers stumble upon a hidden treasure trove of gold coins, known as the Mother Lode. However, their excitement is short-lived when Klaimjump Koopa arrives, seizing control of the precious bounty. The brothers must devise a plan to reclaim the treasure and outsmart the crafty Koopa before their golden opportunity slips away.