The Bob Newhart Show (1972)

S3E1 Big Brother is Watching

Title: Under Surveillance Plot: Bob is confronted with the unsettling thought that his younger sister, Ellen, might start living with her boyfriend, Howard. As the reality of this potential change looms over him, Bob grapples with his protective instincts and concerns about Ellen’s well-being. He must navigate his feelings while considering the implications of her choice and the dynamics of their family.