Tonton Streaming I Love Lucy (1951) S1E28 - Cuban Pals

Lucy burns with jealousy when she gets an eyeful of Ricky's dance parter Renita (Lita Baron) from the "old days" in Cuba. She was a child then, but no more! Determined to keep them apart, Lucy heads to the club in disguise, and finds herself in the clutches of a wild man named Ramon.