What you should be viewing on the Internet and on screen: “50 Shades” kiss; Bob Barker turns 90; “Sing-Off” season 4 premieres.

Screen time

Which is better, “The Sing-Off” or “The Voice?” Have your say in tonight’s season 4 premiere of the former, which kicks off with singing groups hoping to impress Nick Lachey, Jewel, Shawn Stockman and Ben Folds. … 9 p.m. EDT tonight, NBC.

Best of the day

Check out Bob Barker celebrating his 90th birthday with a return to “The Price is Right.”

Hot video: Dakota Johnson and Jamie Dornan share first on-screen kiss on '50 Shades of Grey' set

Dakota Johnson and Jamie Dornan recently shared their first on-screen kiss on the “50 Shades of Grey” set in Vancouver. Johnson also is presented with “the contract” that outlines the relationship between Anastasia Steele and Christian Grey.

More Content Now