Week-to-week gains: Grimm and Rock Center with Brian Williams.
Week-to-week losses: Revolution, The Office, Chicago Fire, Law & Order: Special Victims Unit, Hannibal, Community, Smash, THe Celebrity Apprentice, Dateline, and The Voice (both nights).

These are the NBC TV show ratings averages as of the end of week 32 of the 2012-13 season (Sunday, May 5, 2013). Ratings are typically the best way to tell if a show will be cancelled or renewed.

Click here to see if there’s a more recent NBC list or, to view past lists.

Want more ratings lists like this? Here are other networks:
ABC | CBS | The CW | FOX | HBO | Showtime

Want more info on recent/current/future NBC shows? Check our latest NBC network status page to see which shows have been cancelled or renewed, how many episodes there are this season, and when shows will be returning or premiering.

These charts incorporate the daily final NBC show ratings (copyrighted and reported by Nielsen) and are sorted by the 18-49 demographic. Network advertisers typically prize those viewers most and so will pay more to reach them. There’s lots of information that the networks take into consideration when cancelling or renewing a TV series but the ratings are the biggest factor. The higher the ratings, the better chance that the show will be renewed. And yes, they take it into account when a show airs on a Friday or Saturday night.

What do you think? Are you surprised by any of the averages? Which show(s) do you feel should be doing better or worse, based on their quality? Comment below.