Here are the latest ratings for the NCIS TV series, the show in which supervisory Special Agent Leroy Jethro Gibbs (Mark Harmon) and his team continue to track down the bad guys. The ninth season of NCIS typically airs Tuesday nights at 8pm on the CBS network.

These are the TV show’s ratings for the 2011-12 season, the best way to tell if NCIS is going to be cancelled or renewed for season 10. Check out our CBS ratings report card to see how this show’s numbers compare with the others on the network.

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

Final season nine averages: 3.8 rating in the 18-49 demographic with 19.22 million total viewers.

Episode 09-24: Tuesday, 05/15/12
3.6 in the demo (+16% episode-to-episode change) with 19.05 million; first in the timeslot.
Season average: 3.75 in the demo with 19.22 million.
Demo average rank: #5 of 22 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-23: Tuesday, 05/08/12
3.1 in the demo (0% episode-to-episode change) with 18.20 million; first in the timeslot.
Season average: 3.76 in the demo with 19.23 million.
Demo average rank: #5 of 22 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-22: Tuesday, 05/01/12
3.1 in the demo (+3% episode-to-episode change) with 17.58 million; first in the timeslot.
Season average: 3.79 in the demo with 19.28 million.
Demo average rank: #5 of 22 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-21: Tuesday, 04/17/12
3.0 in the demo (-3% episode-to-episode change) with 18.08 million; first in the timeslot.
Season average: 3.82 in the demo with 19.36 million.
Demo average rank: #5 of 22 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-20: Tuesday, 04/10/12
3.1 in the demo (-11% episode-to-episode change) with 17.66 million; first in the timeslot.
Season average: 3.86 in the demo with 19.42 million.
Demo average rank: #5 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-19: Tuesday, 03/27/12
3.5 in the demo (+3% episode-to-episode change) with 18.67 million; first in the timeslot.
Season average: 3.90 in the demo with 19.52 million.
Demo average rank: #5 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-18: Tuesday, 03/20/12
3.4 in the demo (-3% episode-to-episode change) with 19.05 million; first in the timeslot.
Season average: 3.92 in the demo with 19.56 million.
Demo average rank: #5 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-17: Tuesday, 02/28/12
3.5 in the demo (-3% episode-to-episode change, lowest since 5/2010) with 18.20 million; second in the timeslot.
Season average: 3.95 in the demo with 10.59 million.
Demo average rank: #5 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-16: Tuesday, 02/21/12
3.6 in the demo (-8% episode-to-episode change) with 19.29 million; first in the timeslot.
Season average: 3.98 in the demo with 19.68 million.
Demo average rank: tied for #5 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-15: Tuesday, 02/14/12
3.9 in the demo (-7% episode-to-episode change) with 19.59 million; first in the timeslot.
Season average: 4.01 in the demo with 19.71 million.
Demo average rank: Tied for #5 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-14: Tuesday, 02/07/12
4.2 in the demo (+2% episode-to-episode change) with 20.98 million; first in the timeslot.
Season average: 4.01 in the demo with 19.72 million.
Demo average rank: #6 of 21 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-13: Tuesday, 01/10/12
4.1 in the demo (0% episode-to-episode change) with 20.87 million; first in the timeslot.
Season average: 4.00 in the demo with 19.62 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-12: Tuesday, 01/03/12
4.1 in the demo (+14% episode-to-episode change) with 19.81 million; first in the timeslot.
Season average: 3.99 in the demo with 19.51 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-11: Tuesday, 12/13/11
3.6 in the demo (+3% episode-to-episode change) with 19.13 million; first in the timeslot.
Season average: 3.98 in the demo with 19.49 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-10: Tuesday, 11/22/11
3.5 in the demo (-13% week-to-week change) with 18.50 million; first in the timeslot.
Season average: 4.02 in the demo with 19.52 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-09: Tuesday, 11/15/11
4.0 in the demo (+3% week-to-week change) with 20.0 million; first in the timeslot.
Season average: 4.08 in the demo with 19.64 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-08: Tuesday, 11/08/11
4.1 in the demo (5% week-to-week change) with 20.38 million; first in the timeslot.
Season average: 4.09 in the demo with 19.59 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-07: Tuesday, 11/01/11
3.9 in the demo (-5% week-to-week change) with 19.71 million; first in the timeslot.
Season average: 4.09 in the demo with 19.48 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-06: Tuesday, 10/25/11
4.1 in the demo (+5% week-to-week change) with 19.43 million; second in the timeslot.
Season average: 4.1 in the demo with 19.44 million.
Demo average rank: #6 of 20 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-05: Tuesday, 10/18/11
3.9 in the demo (-3% week-to-week change) with 19.41 million; first in the timeslot.
Season average: 4.1 in the demo with 19.44 million.
Demo average rank: #6 of 19 scripted TV shows on the network (Fall 2011 – Spring 2012).

Episode 09-04 — Tuesday, 10/11/11
4.0 in the demo (-5% week-to-week change) with 18.98 million; first in the timeslot.
Season average: 4.2 in the demo with 19.45 million.
Demo average rank: #6 of 19 scripted TV shows currently on the network.

Episode 09-03 — Tuesday, 10/4/11
4.2 in the demo (0% week-to-week change) with 19.35 million; first in the timeslot.
Season average: 4.2 in the demo with 19.61 million.
Demo average rank: #6 of 19 scripted TV shows currently on the network.

Episode 09-02 — Tuesday, 9/27/11
Week two was down just a bit to a 4.2 rating in the demo and 19.51 million. It was once again in first place for the timeslot by a large measure.
Season average: 4.3 demo and 19.73 million.

Episode 09-01 — Tuesday, 9/20/11
It was a strong season debut for Harmon and company. The premiere registered a 4.3 in the 18-49 demographic and 19.96 million viewers. That was a year-to-year improvement of 8% in the demo and the show won its timeslot.

Reference point: The 2010-11 season averaged a 4.0 rating in the 18-49 demographic and 19.75 million 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 NCIS TV series? Do you think it should be cancelled or renewed for a tenth season?

Image courtesy CBS.