“The Voice” 8 p.m. (NBC) Season 8 returned with original judge Christina Aguilera back in one of the red chairs after a two season absence. The blind auditions will conclude on Monday, but...

The top picks for tonight’s primetime television (yes, actual live TV) “Earth: A New Wild” (PBS) 9 p.m. PBS’ nature docu-series gives viewers a chance to see “humanity’s relationship...