A 37-year-old housewife drags a piano into a veterans hospital, and the wounded men scream at her to leave. She keeps playing. That refusal to stop became the foundation of one of the most fearless careers in American comedy.

This episode charts how Phyllis Diller, a perfectionist classical pianist turned reluctant comedian, invented a brand-new mold for the female stand-up that simply didn't exist in the 1950s, weaponizing domestic rage and a fright-wig disguise to force the world to listen.

• The dark, funeral-filled Ohio childhood that gave her a vibrating desperation to laugh in the face of the void
• Her record-breaking 89-week run at San Francisco's Purple Onion after a debut at age 37
• The Trojan-horse costume, the wig, cackle, and prop cigarette holder, that desexualized her so audiences would hear the jokes ...