Perfect Strangers (1986)

S3E21 My Brother, Myself

When Larry's accomplished brother Billy (Ted McGinley) pays a visit, Larry feels overshadowed by his sibling's achievements. In an attempt to boost his own self-esteem, Larry manipulates Balki into deceiving Billy, making him believe that Larry is thriving as well. The ensuing chaos unfolds as Larry's plan spirals out of control, leading to humorous misunderstandings and a deeper exploration of sibling rivalry.