Ellen Gray's weekend TV picks: 'Power,' 'Save My Life,' 'Longmire' and more

* POWER. 9 p.m. Saturday, Starz.

As Angela (Lela Loren) and the feds pressure Tommy (Joseph Sikora), Ghost (Omari Hardwick) has some soul-searching to do.

* SAVE MY LIFE: BOSTON TRAUMA. 10 p.m. Sunday, 6ABC.

Think of this week's episode of the medical docu-series as a PSA for cyclists. A medical student survives after being struck while biking, thanks to a last-minute decision to borrow a helmet from her boyfriend's daughter.

* WHO DO YOU THINK YOU ARE? 9 p.m. Sunday, TLC.

Actress Alfre Woodard looks into her father's side of the family in latest installment of genealogy show.

* CLOSE UP WITH THE HOLLYWOOD REPORTER. 11 a.m. Sunday, SundanceTV.

Sunday morning TV for entertainment geeks: Actors Bob Odenkirk ("Better Call Saul"), Justin Theroux ("The Leftovers"), Jon Voight ("Ray Donovan"), David Oyelowo ("Nightingale"), Timothy Hutton ("American Crime") and Clive Owen ("The Knick") talk about their careers, and their current roles.

* LONGMIRE. Netflix. A&E canceled it, but the series, based on the novels of Craig Johnson, lives. Robert Taylor stars as Walt Longmire, a Wyoming sheriff. Katee Sackhoff ("Battlestar Galactica") plays a former Philly cop who becomes his deputy. The entire fourth season arrives on Sept. 10. If you're behind, or need an introduction, the first three seasons are streaming now.