The Super Mario Bros. Super Show! (1989)

S01E07 The Great Gladiator Gig

The gang believes they're attending a charity Spaghetti Dinner at the grand Linguini Empire Colosseum. However, they've fallen into a devious scheme orchestrated by the wicked Emperor Augustus Septemberus Octoberus Koopa, who intends to offer the Marios as a feast for the lions. As they navigate this treacherous trap, the heroes must devise a plan to escape and thwart the Emperor's sinister intentions.