These video clips are used under the basis of Fair Use:
Purpose: The videos are intended for adult ESL education.
Nature: None of the clips is associated with any material intended for sale.
Amount: The videos comprise only a small portion of the whole work and have met the standards of YouTube copyright restrictions imposed upon upload.
Effect: These are low-res videos. Learners inspired/interested in the content are encouraged to find the original full-length source material.