Comment by logshipper

Math:

   - 3Blue1Brown: https://www.youtube.com/c/3blue1brown

   - Numberphile: https://www.youtube.com/c/numberphile

CS:

   - Computerphile: https://www.youtube.com/user/Computerphile

Physics:

   - PBS Spacetime: https://www.youtube.com/c/pbsspacetime

Philosophy and Pop Culture:

   - Philosophy Tube: https://www.youtube.com/c/thephilosophytube

   - Folding Ideas: https://www.youtube.com/c/FoldingIdeas

   - ContraPoints: https://www.youtube.com/c/ContraPoints

Film:

   - Nerdwriter: https://www.youtube.com/user/Nerdwriter1

   - Patrick H Willems: https://www.youtube.com/c/patrickhwillems

   - Every Frame a Painting: https://www.youtube.com/c/everyframeapainting
   
   - https://www.youtube.com/c/LessonsfromtheScreenplay