Free Use Educational Video Clips

Ted-Ed YouTube Index of Original Videos for Kids

WatchKnowLearn - Huge library of free educational videos for kids

The Turtle Diary - Free Educational Videos for Kids

Mashup Math - Library of Free Videos for Grades 1-12

Periwinkle for Kids - English Grammar free videos, some Science as well

Science for Kids, Cool Video Clips - and Interactive Science Games for Kids that work!

Kids Academy - Free Learning Videos for Kids (Lang Arts, Math, Science, Social Studies, in animated cartoon format)

Khan Academy Kids - free (plus Circle Time, interactive stories; ages 2-8 lesson plans, games, activities, and free!)

Colour My Learning - Free Educational Video Channels on YouTube for Children

Play and Learn Videos pbs

Crash Course (social studies)