This video is for total or low beginners. There are no subtitles on purpose, you understand what I am talking about. And if not, its even better. You will get used to not understanding 100% of what Czechs say. Guessing from the context is very important. Besides, listening compréhension is more important than reading the words. If you want to speak and understand, it’s necessary to recognize the words by sound, not by letters.