Nick Brandestini’s documentary “Children of the Arctic” will have its U.S. television premiere Tuesday, April 5 at 8 p.m. on World Channel (check local listings), as part of the fourth season of America Reframed, public media’s newest documentary series hosted by Natasha Del Toro. The film follows Native Alaskan teenagers as they strive to be both modern American kids and the inheritors of an ancient whaling culture and tradition. The film will be available for free streaming on worldchannel.org starting April 6.