Into the wild

American viewers of "Dynasties" may titter when British host David Attenborough introduces his latest nature series as "Din-a-stees," but audiences on both sides of the pond can probably agree that the footage, captured over a four-year period across the globe, is stunning. In the premiere, a lioness named Charm must protect her family of cubs against foes just as formidable as "The Lion King's" Scar.

8 p.m. Saturday, BBC America

He had a dream

Legendary civil-rights leaders and modern-day activists weigh in during "Hope & Fury: MLK, the Movement and the Media," part of a series of events commemorating the 50th anniversary of the assassination of Martin Luther King Jr. as well as Monday's national holiday.

9 p.m. Sunday, MSNBC

Bad girl

In the second season of "SMILF," star and creator Frankie Shaw is still determined to show she can be just as provocative as the boys, even it means having her character, Bridgette, steal a statue of the Virgin Mary from a church and fantasize about having sex with Harvey Weinstein. If only the dialogue was as memorable as Bridgette's sins.

9:30 p.m. Sunday, Showtime

Neal Justin