I Love Lucy (1951)

S1E28 Cuban Pals

Title: Cuban Pals Plot: Lucy's jealousy ignites when she encounters Ricky's former dance partner, Renita (Lita Baron), from his Cuban youth. Though she was just a girl back then, she's all grown up now! To thwart any rekindling of their past, Lucy decides to infiltrate the club in disguise, only to find herself caught in the embrace of a charming rogue named Ramon.