Complex sentence: Internationally, broadcast under the title "Loch Ness", the series premiered in Australia on 20 April 2017 on BBC First and in the United States on 19 June 2017 on subscription streaming service Acorn TV.
Split into simpler sentences: Internationally, broadcast under the title "Loch Ness", the series premiered in Australia on 20 April 2017 on BBC First. The series premiered in the United States on 19 June 2017 on subscription streaming service Acorn TV.