Alfred Hitchcock Presents S06E26 - Coming, Mama

Lucy Baldwin wishes to marry her boyfriend Arthur. Unfortunately, her domineering mother believes that Arthur is only out for money and she opposes the marriage. When Lucy's mother falls ill, Lucy sees her chance. Lucy slips her a fatal dose of sleeping tonic and her mother dies. Lucy and Arthur are married and Arthur takes Lucy to visit his mother. Unfortunately, Arthur's mother is just as domineering as Lucy's. Since Arthur's mother is ill, Lucy suggests a dose of sleeping tonic to take care of the problem.