TV has become a very important part of our lives. We are addicted to it. Theough television we get to know what's happening in the world. Some of us watch news, through which we know what's going on in our country and in the rest of the world. Many of us watch TV for entertainment. We listen to songs and also watch movies and serials on TV. We also watch TV to gain knowledge. We can gain knowledge if we watch educational channels like Nat Geo, Discovery, Animal Planet etc. If any thing happens in the world it is first shown on television. But watching too much TV is very bad for us, it can make our eyesight weak.