NASA-TV Education Channel
http://www.ustream.tv/nasahdtv  

NASA-TV is available online
http://www.nasa.gov/multimedia/nasatv/index.html#public

NASA ScienceCasts Online Series is available at -- http://sciencecasts.nasa.gov/

NASA’s Space to Ground is available online with new episodes every Friday -- http://goo.gl/rdlmMn

The Upcoming Educational Events schedule is available at http://www.nasa.gov/multimedia/nasatv/MM_NTV_Breaking.html#

Nov. 24, Tuesday
2 p.m. – International Space Station 20th Anniversary: Benefits for Humanity, Science for All

Dec. 3, Thursday
11:50 a.m. – International Space Station Expedition 64 in-flight education event with the Smithsonian Air and Space Museum and the National Museum of African-American History and Culture with NASA astronauts Kate Rubins and Victor Glover
2 p.m. - International Space Station 20th Anniversary: Low Earth Orbit Commercialization