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

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

NASA-TV Schedule
https://www.nasa.gov/multimedia/nasatv/schedule.html

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#

Wednesday, Sept. 28
8:35 a.m. – International Space Station Expedition 67/68 change of command ceremony (Artemyev hands over ISS command to Cristoforetti) (All Channels)

Thursday, Sept. 29 
2:15 a.m. – Coverage of the undocking of the International Space Station Expedition 67 Soyuz MS-21 from the space station (Artemyev, Matveev, Korsakov; undocking scheduled at 2:34 a.m. CDT) (All Channels)
4:45 a.m. – Coverage of the International Space Station Expedition 67 Soyuz MS-21 deorbit burn and landing in Kazakhstan (Artemyev, Matveev, Korsakov; deorbit burn scheduled at 5:03 a.m. CDT, landing scheduled at 5:57 a.m. CDT) (All Channels)