CUDACasts, a series of short, useful screencast videos about parallel programming on the CUDA platform. CUDACasts covers topics including step-by-step beginner how-tos, programming techniques and CUDA Pro Tips, and overviews of new CUDA features and tools.
More information about CUDACasts can be found at
https://devblogs.nvidia.com/parallelforall/category/cudacasts/