Looking for an American comedy movie. The family lived in the countryside and were very wealthy. Later they immigrated to the city and many interesting things happened.

The Beverly Hillbillies

Plot summary: A rural family originally born in poverty became prosperous after discovering oil in their home in West Virginia, so they moved out of this remote rural area. Moved to Beverly Hills where the rich and famous live. They suddenly joined the ranks of the rich, and their nouveau riche status was clearly revealed. They were even regarded as the fattest sheep by many speculators and swindlers, causing a lot of jokes.