Walter Lewin is an entertaining physics lecturer at MIT (Massachusetts Institute of Technology) that makes learning fun.
Here are some of his notable lectures…
How to Make Teaching Come Alive
Polarization: Light Waves, Rainbows, and Cheap Sunglasses
The Birth and Death of Stars
The Sounds of Music
The Mystery of Light
Here are his regular curriculum physics courses.
Physics I Course
Physics II Course — Electricity and Magnetism
Physics III Course — Vibration and Waves