Documentary about 1970s Inuit communities in Canada producing their own television programs in their native language to preserve it against 24/7 English language TV.
"In the 1970s, Inuit communities in Canada were worried that 24/7 English language TV would wipe out their language--so they started producing their own programs in their native tongue. This documentary is about what happened next (hint: they still do - look up "APTN")"