Below, I have assembled a collection of courses from Crash Course and Professor Dave, in the order that I believe is most developmentally natural.
https://youtube.com/playlist?list=PL8dPuuaLjXtNgK6MZucdYldNkMybYIHKR&si=69kfGjo57IB4kv-S
https://youtube.com/playlist?list=PLybg94GvOJ9FIZxEevSANiCk5O9l_rYWK&si=fPwHR6ZORdbEjEiG
https://youtube.com/playlist?list=PLybg94GvOJ9FoGQeUMFZ4SWZsr30jlUYK&si=CJ4M8W9CXP88stbD
https://youtube.com/playlist?list=PL8dPuuaLjXtN0ge7yDk_UA0ldZJdhwkoV&si=I8-r3EJI5yabXJhc
https://youtube.com/playlist?list=PLybg94GvOJ9HjfcQeJcNzLUFxa4m3i7FW&si=VyKeGXw96vjINjbz
https://youtube.com/playlist?list=PL8dPuuaLjXtPHzzYuWy6fYEaX9mQQ8oGr&si=KnB45Q95HX65bpsB
https://youtube.com/playlist?list=PLybg94GvOJ9EbbO2RXPWTUNIIE0C7hSfm&si=Ingjr9qA7JtbMXA-
https://youtube.com/playlist?list=PLybg94GvOJ9EWw6ZBXAQuLPDJeiFNmqkg&si=A92wy8q9Y1gv8e7w
https://youtube.com/playlist?list=PLybg94GvOJ9GlYQJWEhxOBtNXH5DKeNsN&si=wKoCCU9iue6bQbbt
https://youtube.com/playlist?list=PL8dPuuaLjXtONguuhLdVmq0HTKS0jksS4&si=ef0Iea0fulPf4SvR
https://youtube.com/playlist?list=PLybg94GvOJ9GtvOUYLW601u1Oiaoat2UF&si=rsBcp6A4UYTgOCjq
https://youtube.com/playlist?list=PLybg94GvOJ9Fazvaf8unWl9J2soXCAvy4&si=kJ8BU1_vHBy2ngqX
https://youtube.com/playlist?list=PLybg94GvOJ9E5VK94UujanWk45qM8rQuz&si=tqBzgh3IYTGLZY4C
https://youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB&si=gekSaCSlwB2yOYHr
https://youtube.com/playlist?list=PLybg94GvOJ9HH3IbmPRCfU4knUiBJPq1Z&si=q3di92UFE_lxkwk-
https://youtube.com/playlist?list=PL8dPuuaLjXtOhFQOVdutRTxvUI1UeCcax&si=9HLif4xAJ6ozA2Pt