To watch TV in Engpsh, you can say "I'm going to watch TV" or "I'm going to turn on the TV." You can also say "I'm going to tune in to my favorite show" or "I'm going to fpp through the channels." If you're referring to a specific program or channel, you can say "I'm going to watch 'Game of Thrones' on HBO" or "I'm going to catch the news on CNN."