He-Man and the Masters of the Universe (1983)

S2E42 The Gambler

During a grand celebration, the Royal Family honors the Widgets for the successful launch of Man-At-Arms' latest invention, the Coridite Reactor, designed to power all of Eternia. Among the Widgets, Smudge is tasked with guarding the reactor but quickly falls into a gambling addiction thanks to a cunning showman named Melbrag. Melbrag deceives Smudge into wagering some of the precious Coridite and escapes, plotting to sell it to Skeletor. As He-Man chases after Melbrag, the showman sees an opportunity to ensnare He-Man and turn him over to Skeletor for a hefty reward!