Here are some playlists (not what OP requested):
cryptography lectures https://www.youtube.com/playlist?list=PLgO7JBj821uGZTXEXBLck...
Dan Boneh cryptography lectures https://www.youtube.com/playlist?list=PL9oqNDMzcMClAPkwrn5dm...
machine learning lectures https://www.youtube.com/playlist?list=PLgO7JBj821uGo_Up8MA7A...
theoretical computer science lectures https://www.youtube.com/playlist?list=PLgO7JBj821uGo_Up8MA7A...