Jason Turner's excellent video series about various C++ topics, best practices, etc.
great series of educational videos by Barbara Geller and Ansel Sermersheim
by Conor Hoekstra
short explanations of various programming topics; does also have a playlist with Modern C++ topics
Yan Chernikov's YouTube Channel about various programming related topics; does also have a playlist about C++
video series about how compilers handle various C++ language constructs by Andreas Fertig