Under personal projects / hobbies / interests
or any equivalent to this that your location typically uses
This can help you showcase some skills that an organization may value, such as public speaking and teaching, and provide a nice ice breaker during interviews.
However, it doesn't qualify as work experience as it is mostly a personal thing you do for your own amusement. Even if your channel is large enough to be monetized, it is not your main source of income and does not qualify you as a professional lecturer, teacher, or video editor.
I work in The Netherlands and it is pretty customary here to have a "Hobbies and Interests" line at the bottom of your resume (after all the relevant stuff), with just a simple list of things you enjoy doing on your free time
Mine lists: Cooking / Baking, Sewing / Embroidery, Stiltswalking
I used to have a side hustle during high school and university making homemade cakes and fine chocolates for quite a nice amount of money - this doesn't make me a professional baker or chocolatier with 8 years of experience