Ratings
From Fringepedia - The FRINGE wiki
These are the U.S. ratings listing for the first airing of each episode, as reported by Nielsen Media Research.
| # | Episode | Air Date | Live+SD 18-49 | Viewers -(millions)- | Notes | |
| 401 | Neither Here Nor There | 09/23/11 | 1.5 | 3.50 | Friday season premiere | |
| 402 | One Night In October | 09/30/11 | 1.2 | 3.10 | ||
| 403 | Alone In The World | 10/07/11 | 1.3 | 3.24 | ||
| 404 | Subject 9 | 10/14/11 | 1.2 | 3.14 | ||
| 405 | Novation | 11/04/11 | 1.3 | 3.28 | two-week break | |
| 406 | And Those We've Left Behind | 11/11/11 | 1.1 | 3.07 | ||
| 407 | Wallflower | 11/18/11 | 1.1 | 2.87 | lowest ever | |
| 408 | Back To Where You've Never Been | 01/13/12 | 1.1 | 2.89 | eight-week break | |
| 409 | Enemy Of My Enemy | 01/20/12 | 1.1 | 3.19 | ||
| 410 | Forced Perspective | 01/27/12 | 1.2 | 3.37 | ||
| 411 | Making Angels | 02/03/12 | 1.2 | 3.20 | ||
| 412 | Welcome To Westfield | 02/10/12 | 1.1 | 3.03 |
| # | Episode | Air Date | Live+SD 18-49 | Viewers -(millions)- | Notes | |
| 301 | Olivia | 09/23/10 | 2.1 | 5.731 | ||
| 302 | The Box | 09/30/10 | 1.9 | 5.237 | ||
| 303 | The Plateau | 10/07/10 | 2.0 | 5.190 | ||
| 304 | Do Shapeshifters Dream Of Electric Sheep? | 10/14/10 | 2.0 | 5.224 | ||
| 305 | Amber 31422 | 11/04/10 | 1.8 | 4.804 | two-week break | |
| 306 | 6955 kHz | 11/11/10 | 1.7 | 4.822 | ||
| 307 | The Abducted | 11/18/10 | 1.9 | 4.846 | ||
| 308 | Entrada | 12/02/10 | 1.8 | 5.130 | ||
| 309 | Marionette | 12/09/10 | 1.7 | 4.738 | reduced by sports coverage | |
| 310 | The Firefly | 01/21/11 | 1.9 | 4.871 | new timeslot, six-week break | |
| 311 | Reciprocity | 01/28/11 | 1.9 | 4.534 | ||
| 312 | Concentrate And Ask Again | 02/04/11 | 1.6 | 4.258 | vs. Super Bowl special | |
| 313 | Immortality | 02/11/11 | 1.4 | 3.736 | vs. Valentine's weekend | |
| 314 | 6B | 02/18/11 | 1.5 | 4.017 | ||
| 315 | Subject 13 | 02/25/11 | 1.5 | 4.021 | ||
| 316 | Os | 03/11/11 | 1.5 | 3.8 | one-week break | |
| 317 | Stowaway | 03/18/11 | 1.4 | 3.797 | vs. NCAA basketball | |
| 318 | Bloodline | 03/25/11 | 1.4 | 3.843 | vs. NCAA basketball | |
| 319 | Lysergic Acid Diethylamide | 04/15/11 | 1.4 | 3.645 | three-week break | |
| 320 | 6:02 AM EST | 04/22/11 | 1.2 | 3.325 | ||
| 321 | The Last Sam Weiss | 04/29/11 | 1.3 | 3.5 | ||
| 322 | The Day We Died | 05/06/11 | 1.2 | 3.3 |
| # | Episode | Viewers -(millions)- |
| 201 | A New Day In The Old Town | 8.0 |
| 202 | Night Of Desirable Objects | 7.7 |
| 203 | Fracture | 6.2 |
| 204 | Momentum Deferred | 6.0 |
| 205 | Dream Logic | 6.0 |
| 206 | Earthling | 4.9 |
| 207 | Of Human Action | 5.9 |
| 208 | August | 5.9 |
| 209 | Snakehead | 6.9 |
| 210 | Grey Matters | 6.3 |
| 211 | Unearthed | 7.8 |
| 212 | Johari Window | 6.7 |
| 213 | What Lies Below | 6.9 |
| 214 | The Bishop Revival | 8.9 |
| 215 | Jacksonville | 7.4 |
| 216 | Peter | 6.0 |
| 217 | Olivia. In The Lab. With The Revolver. | 6.5 |
| 218 | White Tulip | 6.7 |
| 219 | The Man From The Other Side | 5.9 |
| 220 | Brown Betty | 5.6 |
| 221 | Northwest Passage | 5.8 |
| 222 | Over There, Part 1 | 6.0 |
| 223 | Over There, Part 2 | 5.8 |
| # | Episode | Viewers -(millions)- | 18-49 -(rating/share)- | 18-34 -(rating/share)- | |
| 101 | Pilot | 9.17 | 3.2/09 | 2.6/08 | |
| 102 | The Same Old Story | 13.36 | 5.2/13 | 4.5/12 | |
| 103 | The Ghost Network | 9.65 | 4.2/10 | 4.0/11 | |
| 104 | The Arrival | 10.04 | 4.3/11 | 3.9/11 | |
| 105 | Power Hungry | 9.53 | 4.2/10 | 3.8/10 | |
| 106 | The Cure | 9.11 | 4.0/10 | 3.6/10 | |
| 107 | In Which We Meet Mr. Jones | 8.88 | 4.0/09 | 3.6/09 | |
| 108 | The Equation | 9.36 | 4.2/10 | 3.8/10 | |
| 109 | The Dreamscape | 8.73 | 3.9/10 | 3.6/10 | |
| 110 | Safe | 8.69 | 3.7/09 | 3.2/09 | |
| 111 | Bound | 12.09 | 4.7/11 | 4.0/10 | |
| 112 | The No-Brainer | 12.09 | 4.8/11 | 4.2/11 | |
| 113 | The Transformation | 13.04 | 5.1/12 | 4.4/11 | |
| 114 | Ability | 11.87 | 4.8/12 | 3.9/11 | |
| 115 | Inner Child | 11.36 | 3.8/09 | 2.9/08 | |
| 116 | Unleashed | 11.50 | 4.5/11 | 3.3/09 | |
| 117 | Bad Dreams | 11.65 | 4.4/11 | 3.4/09 | |
| 118 | Midnight | 11.84 | 4.6/12 | 3.7/10 | |
| 119 | The Road Not Taken | 10.44 | 4.3/11 | 3.5/10 | |
| 120 | There's More Than One Of Everything | 13.54 | 5.3/14 | 4.3/12 |
