Although the best are already covered with John Bartholomew, ChessNetwork and Simon WIlliams, there are a few other channels that can be instructional and sometimes entertaining (Astaneh, Danny Rensch, SLCC, Jim's Chess Channel):
www.youtube.com/channel/UCNB4vCw1iI8c-vMkgPZIz5w/videos
www.youtube.com/user/ACEChess/videos
www.youtube.com/user/STLChessClub/videos
www.youtube.com/user/Jemsward/videos
Danny Rensch is pretty entertaining, but you have to stomach the chess.com site.
Chessexplained is solid if you like to watch blitz but he doesn't go deep into his thought process like John, Jerry and Astaneh do.
www.youtube.com/channel/UCNB4vCw1iI8c-vMkgPZIz5w/videos
www.youtube.com/user/ACEChess/videos
www.youtube.com/user/STLChessClub/videos
www.youtube.com/user/Jemsward/videos
Danny Rensch is pretty entertaining, but you have to stomach the chess.com site.
Chessexplained is solid if you like to watch blitz but he doesn't go deep into his thought process like John, Jerry and Astaneh do.