You will need to check with your local provider (cable or satellite company) to see where the listing falls on their channel lineup.
yes because it is a proper noun
National Geographic Channel.
National Geographic Channel - Scandinavia - was created in 1997.
National Geographic Channel - Canada - was created in 2001.
National Geographic Channel Germany was created in 2004.
National Geographic channel.
National Geographic Channel.
Nat Geo has its own channel.
Trapped - National Geographic Channel - was created on 2007-11-07.
Channel Islands National Park was created on 1980-03-05.
Channel Islands National Marine Sanctuary was created in 1980.
The duration of Trapped - National Geographic Channel - is 3000.0 seconds.