Watch NBC's "American Ninja Warrior" Monday at 8 p.m. on KSL TV.

Watch NBC's "Chicago Med," "Chicago Fire" and "Chicago P.D." Wednesdays starting at 7 p.m. on KSL TV. 

Watch NBC's "This Is Us" Tuesdays at 8 p.m. on KSL TV.

Watch NBC's "Mr. Mayor" Thursdays at 7 p.m. on KSL TV.

Watch NBC's "Zoey's Extraordinary Playlist" Tuesdays at 7 p.m. on KSL TV. 

A call to police about a shoplifting incident has turned into something much bigger for an officer in Massachusetts who felt the punishment didn't necessarily fit the crime.

The two-hour primetime special from NBC News will highlight the year’s most entertaining and talked about videos and trends that gave everyone a much-needed comedic break.

"Nurses" follows five young nurses working on the frontlines of a busy downtown hospital, dedicating their lives to helping others, while struggling to help themselves.

Watch NBC's "Weakest Link" Monday at 9 p.m. on KSL TV.

When "Santa's helper" Whitney Pickering began answering letters left in a special mailbox outside of her Colorado home, she had no idea the impact it would have.