Mary Hartman, Mary Hartman (1976)

Season 2: Episode 148

After Martha refuses to reconcile with George, Cathy moves back home. Mary comes up with a plan to reunite her parents and narrowly misses meeting Dennis in the Shumway kitchen. Cathy arrives home and has words with Dennis. George prevents Cathy from telling Mary about Dennis, and later, Cathy still can't shatter Mary's dream family. George goes to the Capri looking spiffy for Martha. Mac visits Martha, spoiling Cathy and George's plans.