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These are fun too, not directly calculus but some infinities and series videos https://www.youtube.com/channel/UCOGeU-1Fig3rrDjhm9Zs_wg

Wow, my Saturday afternoon just disappeared.

One of the best channels that I've found for Calculus is:

He also has a Statistics series, as well as some pre-calculus / basic algebra stuff.

This is an amazing teacher, great channel for learning calculus: https://www.youtube.com/channel/UCoHhuummRZaIVX7bD4t2czg

Check out Mooculus series on YouTube