Paul Fricker, of The Good Friends of Jackson Elias and co-author of the Call of Cthulhu 7th edition podcast has created a series of video tutorials on Call of Cthulhu 7th edition.
Character Creation:
https://www.youtube.com/watch?v=zgLUVc3W9U0
Game System:
https://www.youtube.com/watch?v=oVUJtGn2jhA
Sanity Rules:
https://www.youtube.com/watch?v=tgVyS_4D_Dg
These are pretty broad strokes, but if by some strange chance you haven't yet played Call of Cthulhu or are concerned about switching to the newest edition, these videos should be a big help.
