Today TV and its show programs such as foreign - made programs playthe mainan important role in our country and it has many disadvantages of trans forming our culture or society to (what?) because of that it is the one of the most used inventions that is used in every place.
This sentence is too long and your idea does not flow clearly. I also notice you have the tendency to go out of topic. Introduction should be used to introduce your topic to the reader very briefly and also to state your opinion about the argument. So it is very important to keep your alignment with the topic.
Each country has its own TV show programs, but in many countries there are many foreign - programs that are showing in channels. For example:
These information does not contribute anything to your topic. Write sentences that give sense to your topic, both directly and indirectly.