Swedish slow TV hit “The Great Moose Migration” has become a phenomenon. The livestream began airing Tuesday, a week ahead of schedule.

The push alert hits SVT's app — “Första älgarna i bild!” which translates to “First moose on camera!” — as viewers worldwide tune in. The livestream's chat explodes as commenters type encouragement ...

Moose fans are following the weekslong moose migration, which airs live on the national broadcaster. “This is reality TV at its finest,” a moderator of a zealous Facebook group said. By Amelia ...