Here is a list of videos about Caro-Kann defense for black
Perunovic
Chess pathways
Tartakower variation of the main line
Chessgeek
Robert Plunket
Naroditsky
Hanging Pawns
Gotham Chess
Bad Bishop chess channel
Lichess puzzles on Caro Kann
Caro-Kann Defense
Classical Variation2,817
Two Knights Attack2,656
Panov Attack2,424
Hillbilly Attack1,686
Accelerated Panov Attack1,321
Maróczy Variation1,028
Tartakower Variation991
Karpov Variation764
Main Line655
Breyer Variation646
Campomanes Attack311
Bronstein-Larsen Variation178
Euwe Attack168
Forgacs Variation159
Goldman Variation156
Rasa-Studier Gambit154
Gurgenidze System127
Alekhine Gambit113
Modern Variation113
My study on Caro-Kann in lichess.org