The Grimm TV series was a surprise hit for NBC on Friday nights last season. Will the TV show’s ratings hold up in season two?

Below are the TV series’ ratings for the 2012-13 season, the best way to tell if Grimm is going to be cancelled or renewed for season two. The show typically airs on Monday or Friday nights.

These figures will be updated as the weeks progress so be sure to bookmark and return to this page:

Final season averages: 1.6 rating in the 18-49 demographic with 5.18 million total viewers.

Episode 02-22: Tuesday, 05/21/13
1.7 in the demo (0% change) with 4.99 million (-7% change).
Season averages: 1.63 in the demo with 5.18 million.

Episode 02-21: Tuesday, 05/14/13
1.7 in the demo (-6% change) with 5.36 million (-6% change).
Season averages: 1.62 in the demo with 5.19 million.

Episode 02-20: Tuesday, 05/07/13
1.8 in the demo (-5% change) with 5.67 million (-2% change).
Season averages: 1.62 in the demo with 5.18 million.

Episode 02-19: Tuesday, 04/30/13
1.9 in the demo (+46% change) with 5.77 million (+19% change).
Season averages: 1.61 in the demo with 5.15 million.

Episode 02-18: Friday, 04/26/13
1.3 in the demo (-13% change) with 4.85 million (-6% change).
Season averages: 1.59 in the demo with 5.12 million.

UPDATE: NBC has renewed this show for 2013-14 and has ordered 22 episodes.

Note: NBC supposedly played an original episode on April 19th but it was either interrupted or not shown in most markets due to breaking news coverage. As a result, final ratings were not issued for the program.

Episode 02-17: Friday, 04/05/13
1.5 in the demo (+7% change) with 5.13 million (+6% change).
Season averages: 1.61 in the demo with 5.13 million.

Episode 02-16: Friday, 03/29/13
1.4 in the demo (0% change) with 4.86 million (-3% change).
Season averages: 1.62 in the demo with 5.13 million.

Episode 02-15: Friday, 03/22/13
1.4 in the demo (0% change) with 5.00 million (+2% change).
Season averages: 1.63 in the demo with 5.15 million.

Episode 02-14: Friday, 03/15/13
1.4 in the demo (-7% change) with 4.91 million (0% change).
Season averages: 1.65 in the demo with 5.16 million.

Episode 02-13: Friday, 03/08/13
1.5 in the demo (-6% change) with 4.90 million (-3% change).
Season averages: 1.67 in the demo with 5.18 million.

Episode 02-12: Friday, 11/16/12
1.6 in the demo (-6% change) with 5.03 million (-4% change).
Season averages: 1.68 in the demo with 5.21 million.

Episode 02-11: Friday, 11/09/12
1.7 in the demo (-6% change) with 5.21 million (-8% change).
Season averages: 1.69 in the demo with 5.22 million.

Episode 02-10: Friday, 11/02/12
1.8 in the demo (-10% change) with 5.64 million (-8% change).
Season averages: 1.69 in the demo with 5.22 million.

Episode 02-09: Friday, 10/26/12
2.0 in the demo (+33% change) with 6.11 million (+22% change).
Season averages: 1.68 in the demo with 5.18 million.

Episode 02-08: Friday, 10/19/12
1.5 in the demo (-6% change) with 5.03 million (0% change).
Season averages: 1.64 in the demo with 5.06 million.

Episode 02-07: Friday, 10/12/12
1.6 in the demo (0% change) with 5.01 million (-5% change).
Season averages: 1.66 in the demo with 5.06 million.

Episode 02-06: Friday, 10/05/12
1.6 in the demo (0% change) with 5.29 million (-1% change).
Season averages: 1.67 in the demo with 5.07 million.

Episode 02-05: Friday, 09/28/12
1.6 in the demo (+7% change) with 5.32 million (+15% change).
Season averages: 1.68 in the demo with 5.03 million.

Episode 02-04: Monday, 09/03/12
1.5 in the demo (-6% episode-to-episode change) with 4.62 million.
Season averages: 1.70 in the demo with 4.96 million.

Episode 02-03: Monday, 08/27/12
1.6 in the demo (-6% episode-to-episode change) with 4.67 million (-5% change)
Season averages: 1.77 in the demo with 5.07 million.

Episode 02-02: Monday, 08/20/12
1.7 in the demo (-15% episode-to-episode change) with 4.9 million (-13% change)
Season averages: 1.85 in the demo with 5.27 million.

Episode 02-01: Monday, 08/13/12
2.0 rating in the 18-49 demographic with 5.64 million total viewers.
Season averages: 2.00 in the demo with 5.64 million.

Reference point: The first season of Grimm averaged a 1.5 rating in the demographic with 5.02 million total viewers.

Note: These ratings are collected by the Nielsen company and are the final national numbers. These are different from the fast affiliate numbers which are just estimates of the actual ratings and are reported on by most other outlets. The final nationals are typically released within 24 hours of the programming or, in the case of weekends and holidays, a couple days later.

What do you think? Do you like the Grimm TV series? Do you think it should be cancelled or renewed for a third season?