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Rowan & Martin's Laugh-In, a groundbreaking sketch comedy show, provided Lily Tomlin with her breakout role. The show's format, featuring a rapid-fire succession of skits and topical humor, allowed Tomlin to showcase her versatility and comedic timing. Her iconic characters, such as Ernestine the telephone operator and Edith Ann the precocious little girl, became instant favorites with audiences and cemented Tomlin's status as a comedy legend.