Nielsen ratings are a curious thing.  While most in the industry believe the mode of gauging a show's popularity and viewership to be horribly outdated, edging out more critically acclaimed series for the more casually viewed, this system remains in place.  Ergo, 'Two and a Half Men' stays strong year after year, whereas 'Community' might dip somewhere below 'Work It!'  Yeesh.  So what made the biggest numbers this year?

Surprising little, 2011-2012 was a big year for network reality competitions, and a few of the more groan-worthy three-camera sitcoms.  NBC's Sunday Night Football scored the very highest slot in overall Nielsen viewership, which may have helped contribute to the network finally ascending out of dead last into the third most-watched network overall.

Elsewhere, even the dismally-received CBS sitcoms scored massive viewership between the 18-49 demographic, cementing the network's position at the top  It should be pointed out however, that the model might have one show faring terribly within 18-49, even if its overall viewers far eclipse that of any other.

So that in mind, below is the 2011-2012 rankings of all 155 series by 18-49 viewership, and you can check out the overall list by heading to Deadline.  Find your favorite series amidst the rankings below, and tell us if you think its position is justified in the comments!

1. NBC SUNDAY NIGHT FOOTBALL

2. AMERICAN IDOL-WEDNESDAY

3. VOICE

4. MODERN FAMILY

5. AMERICAN IDOL-THURSDAY

6. BIG BANG THEORY, THE

7. TWO AND A HALF MEN

8. X-FACTOR-WED

9. 2 BROKE GIRLS

10. GREY’S ANATOMY

11. FOOTBALL NT AMERICA PT 3

12. NEW GIRL

13. X-FACTOR-THU

14. VOICE:RESULTS SHOW

15. HOW I MET YOUR MOTHER

16. ONCE UPON A TIME

17. NCIS

18. SURVIVOR: SOUTH PACIFIC

19. FAMILY GUY

20. MIKE & MOLLY

21. CRIMINAL MINDS

22. ROB

23. GLEE

24. TERRA NOVA

25. DESPERATE HOUSEWIVES

26. SURVIVOR: ONE WORLD

27. NCIS: LOS ANGELES

28. DANCING WITH THE STARS

29. OFFICE

30. ALCATRAZ

31. HOUSE

32. PERSON OF INTEREST

33. SIMPSONS

34. AMAZING RACE 19

35. RULES OF ENGAGEMENT

36. HAWAII FIVE-0

37. CSI

38. SMASH

39. MENTALIST, THE

40. DANCING W/STARS RESULTS

41. AMAZING RACE 20

42. HAPPY ENDINGS

43. PRIVATE PRACTICE

44. BACHELOR, THE

45. REVENGE

46. BONES

47. CASTLE

48. FEAR FACTOR

49. HOW TO BE A GENTLEMAN

50. NAPOLEON DYNAMITE

51. TOUCH

52. AMERICAN DAD

53. DON’T TRUST THE B-APT 23

54. GCB

55. LAST MAN STANDING

56. PARENTHOOD

57. RAISING HOPE

58. CLEVELAND-SUN 8:30P

59. BIGGEST LOSER 13

60. BIGGEST LOSER 12

61. SUBURGATORY

62. CSI: MIAMI

63. MIDDLE, THE

64. UNFORGETTABLE

65. GOOD WIFE, THE

66. SCANDAL

67. PAN AM

68. RIVER, THE

69. UP ALL NIGHT

70. APPRENTICE 12

71. CELEBRITY WIFE SWAP

72. 60 MINUTES

73. LAW AND ORDER:SVU

74. PARKS AND RECREATION

75. FINDER

76. WHITNEY

77. FOOTBALL NT AMERICA PT 2

78. MOBBED

79. UNDERCOVER BOSS

80. ALLEN GREGORY

81. GRIMM

82. 30 ROCK

83. I HATE MY TEENAGE DGHTR

84. SAT NIGHT FOOTBALL

85. MAN UP!

86. BODY OF PROOF

87. BOB’S BURGERS

88. BLUE BLOODS

89. CLEVELAND SHOW

90. WORK IT

91. COMMUNITY

92. COUGAR TOWN

93. ARE YOU THERE CHELSEA

94. CSI: NY

95. WIPEOUT-THURS

96. PLAYBOY CLUB

97. SING OFF

98. MISSING

99. SHARK TANK

100. FASHION STAR

101. OFF THEIR ROCKRS

102. PRIME SUSPECT

103. WHO’S STILL STANDING

104. AWAKE

105. FRINGE

106. KITCHEN NIGHTMARES

107. CHARLIE’S ANGELS

108. BREAKING IN

109. 20/20-FRI

110. EXTREME MAKEOVER

111. NYC 22

112. AMER FUNN HOME VIDEOS

113. OFF THEIR ROCKRS 830

114. PRIMETIME:WHAT WOULD U DO

115. DATELINE FRI

116. EXTREME MAKEOVER:HOME ED.

117. COPS 2

118. HARRY’S LAW

119. GIFTED MAN, A

120. FREE AGENTS

121. CHUCK

122. VAMPIRE DIARIES

123. 48 HOURS MYSTERY

124. COPS

125. YOU DESERVE IT

126. DATELINE SUN-7PM

127. BENT

128. MY EXTREME AFFLICTION

129. AMERICA’S TOP MODEL-11

130. MISSING-WED

131. WHO DO YOU THINK YOU ARE

132. 20/20-FRIDAY

133. BEST FRIENDS FOREVER

134. ABC SAT MOVIE OF THE WEEK

135. FIRM

136. ONE TREE HILL

137. BENT 930

138. ROCK CENTER-B. WILLIAMS

139. SECRET CIRCLE

140. SUPERNATURAL

141. CRIMETIME SATURDAY

142. LAW AND ORDER:SVU-SAT

143. LAW & ORDER:SVU-WED 9PM

144. 90210

145. GOSSIP GIRL-MON

146. RINGER

147. HART OF DIXIE

148. AMERICA’S TOP MODEL-BRIT

149. NIKITA

150. Q’VIVA

151. H8R

152. FIRM-SAT

153. REMODELED

154. ESCAPE ROUTES

155. LA COMPLEX