Here are the links for the first lecture (also in two parts):
https://youtu.be/S2CkvWZ_DpI
https://youtu.be/GU5cz5ToGnw
Here are the links for the second lecture (also in two parts):
https://youtu.be/jB5W1RzIMfg
https://youtu.be/ieUaKC3Bfjo

Here are the links for the 3rd lecture which is in 2 parts:
https://youtu.be/YqsZ39_GeEw
https://youtu.be/Li1YSyOCLkY
Here are the links for 4th lecture which is in 2 parts:
https://youtu.be/okhzOi69sTM
https://youtu.be/uc17hfiR78U
Here is the link for 5th lecture:
https://youtu.be/jnFoyqTba34
Here are the links for 6th Lecture in two parts:
https://youtu.be/jah-466n8D8
https://youtu.be/fMhEOD0qD2I
Lecture 7: https://youtu.be/jatqmqqRNoU
Lecture 8: https://youtu.be/Gd3LPEnGYtM

Lecture 10: https://youtu.be/siNZHUKtCnc
Lecture 11: https://youtu.be/HW_KSIvUg6k
Lecture 12: https://youtu.be/HZa9XKNmh54