S7E5 · The Runaways

Complete story — includes the ending

Stan discovers a folder of Lou's cartoons, which the creative team ridicules. Anna's pregnant niece Stephanie, broke in Los Angeles, calls Don for help; he asks Megan to let her stay. Though Megan agrees, she grows insecure about Stephanie's closeness with Don and youthful freedom; she gives Stephanie $1,000 and urges her to leave. At a dinner party, Betty clashes with Henry over her outspoken views on Vietnam; after Sally breaks her nose in a golf club fight, Betty reacts angrily, and Bobby fears divorce and suggests running away with Sally. Don visits Megan in California and attends a party with her acting friends; Harry later tells him that Lou and Cutler are courting Philip Morris ' Commander cigarettes and intend to fire him. Megan attempts to revive their marriage by initiating a threesome with Don and her friend Amy. Returning to New York, Don interrupts Lou and Cutler's meeting with Philip Morris executives to defend his value, citing his anti-tobacco letter. Meanwhile, Ginsberg's paranoia about the new office computer escalates into a psychotic break; he cuts off his own nipple and gifts it to Peggy; a horrified Peggy calls the authorities, who wheel Ginsberg away on a stretcher.