Country superstar Dierks Bentley returning with the album “Broken Branches” and Sydney Sweeney in the dark, dramatic thriller “Echo Valley” are some of the new television, films, music and games headed to a device near you.

This week’s new entertainment releases include fresh music from Demi Lovato, a documentary about Princess Diana that uses only archival footage and the “Game of Thrones” prequel finally arrives on HBO.