Saving all my love

Pop culture’s fascination with anything and everything connected to the late Whitney Houston continues with “Bobbi Kristina,” a biopic about the young woman whose final years mirrored the downward spiral of her famous mother.

6 p.m. Sunday, TV One

Baby, it’s cold outside

“Edge of Alaska” kicks off its final season with a return to the shut-off town of McCarthy, where only a dirt road and a footbridge connect residents to the rest of the world. Can frontier life be salvaged without aid from the cast of “Northern Exposure”?

9 p.m. Sunday, Discovery Channel

To tell the truth

“Madame Secretary” heads into Season 4 with Tea Leoni taking on fake news that spreads through social media. Gee, I wonder where they got that idea? Leoni’s a magnetic star, but the show has never taken full advantage of its guest stars and supporting cast the way “The Good Wife” did. At least some famous folks are flexing their muscles behind the camera: Morgan Freeman and Eric Stoltz directed the first two episodes.

9 p.m. Sunday, WCCO, Ch. 4

Neal Justin