If you're new to this channel, then here are some information for you.
If you're beginner who is willing to learn Korean, then I suggest you to learn 한글 the Korean Alphabet first, which is interestingly unique and easy to learn. (Let's Learn 한글 - The Korean Alphabet: https://youtu.be/zO5vfF8ZrOA)
After you learn 한글, then you can practice reading with simple words with this video called "Korean Reading (and Pronunciation) Practice" (https://youtu.be/WqGfsp2EY9U)
And here is the playlist for beginner to learn some about Korean grammar. Easy Korean Lessons by Suntae Kim (https://www.youtube.com/playlist?list=PLuLlpUiq3ndhd5h7xTq_QBEIw9cWMAd6g)