Nielsen Rating's Top 20 for December 14- 21

The Nielsen Rating's Top 20 TV Shows for December 14- 21. The first number is the ranking, the second number is the season average, then the show name and network. The last number represents the number of viewers in millions. An asterisk * indicates a tie.

Rank	Show name	Network	Viewers in millions	Season-to-date average
1.	NCIS	CBS	20.7	21.5
2.	Vikings/Panthers	NBC	18.2	19.6
3.	NCIS: LA	CBS	17.5	17.0
4.	Two and a Half Men	CBS	16.4	14.9
5.	The Mentalist	CBS	15.8	17.0
6.	CSI	CBS	15.6	16.3
*	Big Bang Theory	CBS	15.6	14.4
8.	Criminal Minds	CBS	14.7	15.2
9.	CSI: Miami	CBS	14.2	14.3
*	The Good Wife	CBS	14.2	13.9
11.	Survivor: Samoa Finale	CBS	14.0	special event
12.	CSI: NY	CBS	13.6	14.2
13.	60 Minutes	CBS	12.7	14.3
14.	Survivor: Samoa	CBS	12.5	13.3
15.	Survivor: Samoa Reunion	CBS	11.7	special event
16.	Football Night in America Pt 3	NBC	9.9	10.2
17.	How I Met Your Mother	CBS	9.6	9.1
18.	Accidentally on Purpose	CBS	8.8	8.0
19.	The Simpsons	Fox	8.1	8.7
20.	Gilly Christmas	NBC	7.8	special event
20.	Gary Unmarried	CBS	7.8	7.2