A list of my favorite portals for discovering curricular video
Website: http://www.youtube.com/user/crashcourse/
Website: http://www.youtube.com/education
Website: http://www.youtube.com/schools
Website: http://mathtrain.tv/
Website: http://www.schooltube.com/
Edmodo app: http://www.edmodo.com/publisher/schooltube
Website: http://www.youtube.com/teachers
Website: http://ed.ted.com/
Website: http://teachertube.com/
Website: http://www.nbclearn.com/portal/site/learn
Website: http://www.khanacademy.org/
Free iPad app: https://itunes.apple.com/us/app/id469863705?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/id469863705?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=org.khanacademy.android
Free Android Tablet app: https://play.google.com/store/apps/details?id=org.khanacademy.android
Edmodo app: https://spotlight.edmodo.com/product/khan-academy,324527/
Free iPad app: http://itunes.apple.com/us/app/itunes-u/id490217893?ls=1&mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/itunes-u/id490217893?ls=1&mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/watchknow-educational-videos/id423622049?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/watchknow-educational-videos/id423622049?mt=8&uo=4&at=10l6SU
Website: http://www.watchknowlearn.org/
Paid iPad app: https://itunes.apple.com/us/app/vernier-video-physics/id389784247?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/vernier-video-physics/id389784247?mt=8&uo=4&at=10l6SU
Website: http://www.teachingvideos.co.uk/