Other videos on Covariant Derivative:
Video 17: https://www.youtube.com/watch?v=U5iMpOn5IHw&index=19&list=PLJHszsWbB6hpk5h8lSfBkVrpjsqvUGTCx
Video 18: https://www.youtube.com/watch?v=Af9JUiQtV1k&index=20&list=PLJHszsWbB6hpk5h8lSfBkVrpjsqvUGTCx
Other videos on Geodesics:
Video 15: https://www.youtube.com/watch?v=1CuTNveXJRc&index=17&list=PLJHszsWbB6hpk5h8lSfBkVrpjsqvUGTCx
Video 16: https://www.youtube.com/watch?v=8sVDceI70HM&index=18&list=PLJHszsWbB6hpk5h8lSfBkVrpjsqvUGTCx
Parallel transport animation: https://math.stackexchange.com/questions/2215084/parallel-transport-equations