A group of six police officers solve disappearance cases that everyone else has already given up on.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The End of Innocence | 2009-12-01 | 60 min |
| Season 1 | Episode 2 | A Mother's Secret | 2010-01-11 | 60 min |
| Season 1 | Episode 3 | A Fateful Meeting | 2010-01-18 | 60 min |
| Season 1 | Episode 4 | The Last Truck Stop | 2010-01-25 | 60 min |
| Season 1 | Episode 5 | A Lost Soul | 2010-02-01 | 60 min |
| Season 1 | Episode 6 | Miles to Nowhere | 2010-02-08 | 60 min |
| Season 1 | Episode 7 | Favourite Son | 2010-02-15 | 60 min |
| Season 1 | Episode 8 | The Long Drive Home | 2010-02-22 | 60 min |
| Season 1 | Episode 9 | The Most Hated Woman in America | 2010-03-01 | 60 min |
| Season 1 | Episode 10 | Rosemary's Secret | 2010-03-08 | 60 min |
| Season 1 | Episode 11 | When the Music Stopped | 2010-03-15 | 60 min |
| Season 1 | Episode 12 | Dark Waters | 2010-03-22 | 60 min |
| Season 1 | Episode 13 | Royal Secrets | 2010-03-29 | 60 min |
| Season 2 | Episode 1 | The Secret Journey | 2010-10-04 | 60 min |
| Season 2 | Episode 2 | The Beauty Queen Mystery | 2010-10-11 | 60 min |
| Season 2 | Episode 3 | Vanishing Bride | 2010-10-18 | 60 min |
| Season 2 | Episode 4 | No Exit | 2010-10-25 | 60 min |
| Season 2 | Episode 5 | Lost Trust | 2010-11-01 | 60 min |
| Season 2 | Episode 6 | Lost Highway | 2010-11-08 | 60 min |
| Season 2 | Episode 7 | Danger at Dusk | 2010-11-15 | 60 min |
| Season 2 | Episode 8 | Mojave Mystery | 2010-11-22 | 60 min |
| Season 2 | Episode 9 | Unfinished Business | 2010-11-29 | 60 min |
| Season 2 | Episode 10 | Paradise Lost | 2010-12-06 | 60 min |
| Season 2 | Episode 11 | Final Prayer | 2010-12-13 | 60 min |
| Season 2 | Episode 12 | Doomed Romance | 2010-12-20 | 60 min |
| Season 2 | Episode 13 | Gone at 17 | 2010-12-27 | 60 min |
| Season 3 | Episode 1 | Mystery at the Border | 2011-01-03 | 60 min |
| Season 3 | Episode 2 | Secret Rendezvous | 2011-01-10 | 60 min |
| Season 3 | Episode 3 | Murky Waters | 2011-01-17 | 60 min |
| Season 3 | Episode 4 | The Final Chord | 2011-01-24 | 60 min |
| Season 3 | Episode 5 | Gone on the 4th of July | 2011-01-31 | 60 min |
| Season 3 | Episode 6 | Into the Woods | 2011-02-07 | 60 min |
| Season 3 | Episode 7 | The Darkest Night | 2011-02-14 | 60 min |
| Season 3 | Episode 8 | Soul Searcher | 2011-02-21 | 60 min |
| Season 3 | Episode 9 | A Family's Curse | 2011-02-28 | 60 min |
| Season 3 | Episode 10 | The Springfield Three | 2011-03-07 | 60 min |
| Season 3 | Episode 11 | A Mother's Mission | 2011-03-14 | 60 min |
| Season 3 | Episode 12 | Lost Hero | 2011-03-21 | 60 min |
| Season 3 | Episode 13 | Silent Night | 2011-03-28 | 60 min |
| Season 4 | Episode 1 | Running For Her Life | 2011-04-04 | 60 min |
| Season 4 | Episode 2 | Secrets of a Son | 2011-04-11 | 60 min |
| Season 4 | Episode 3 | Heavy Metal Mystery | 2011-04-18 | 60 min |
| Season 4 | Episode 4 | Game Over | 2011-04-25 | 60 min |
| Season 4 | Episode 5 | Missing Valentine | 2011-10-24 | 60 min |
| Season 4 | Episode 6 | The Dark Ravine | 2011-10-31 | 60 min |
| Season 4 | Episode 7 | A Father's Quest | 2011-11-07 | 60 min |
| Season 4 | Episode 8 | Memory Lane | 2011-11-14 | 60 min |
| Season 4 | Episode 9 | Spring Break Nightmare | 2011-11-21 | 60 min |
| Season 4 | Episode 10 | Mystery on Lake Seminole | 2011-11-28 | 60 min |
| Season 4 | Episode 11 | Vanished in Vermont | 2011-12-05 | 60 min |
| Season 4 | Episode 12 | Midnight Walk | 2011-12-12 | 60 min |
| Season 4 | Episode 13 | The Wedding Ring | 2011-12-19 | 60 min |
| Season 4 | Episode 14 | Innocence Lost | 2012-01-02 | 60 min |
| Season 5 | Episode 1 | The Road Not Taken | 2012-01-09 | 60 min |
| Season 5 | Episode 2 | Dancing into Darkness | 2012-01-16 | 60 min |
| Season 5 | Episode 3 | Crime & Punishment | 2012-01-23 | 60 min |
| Season 5 | Episode 4 | Wrong Side of the Tracks | 2012-01-30 | 60 min |
| Season 5 | Episode 5 | Daddy's Girl | 2012-02-06 | 60 min |
| Season 5 | Episode 6 | Last Call | 2012-02-13 | 60 min |
| Season 5 | Episode 7 | Hometown Hero | 2012-02-20 | 60 min |
| Season 5 | Episode 8 | A Soldier's Story | 2012-02-27 | 60 min |
| Season 5 | Episode 9 | Into the Bayou | 2012-03-05 | 60 min |
| Season 5 | Episode 10 | Little Girl Lost | 2012-03-12 | 60 min |
| Season 5 | Episode 11 | The Vortex | 2012-03-19 | 60 min |
| Season 5 | Episode 12 | Final Exam | 2012-03-26 | 60 min |
| Season 5 | Episode 13 | Too Young For Love | 2012-04-02 | 60 min |
| Season 5 | Episode 14 | Footprints in the Sand | 2012-04-09 | 60 min |
| Season 5 | Episode 15 | Just a Nice Guy | 2012-04-16 | 60 min |
| Season 5 | Episode 16 | Hard Life in the Big Easy | 2012-04-23 | 60 min |
| Season 5 | Episode 17 | Missing by Design | 2012-04-30 | 60 min |
| Season 6 | Episode 1 | Lost in the Dark | 2012-11-19 | 60 min |
| Season 6 | Episode 2 | The Soldier's Wife | 2012-11-26 | 60 min |
| Season 6 | Episode 3 | The Dutchman's Curse | 2012-12-03 | 60 min |
| Season 6 | Episode 4 | Dark Voyage | 2012-12-10 | 60 min |
| Season 6 | Episode 5 | One Way Ticket | 2012-12-17 | 60 min |
| Season 6 | Episode 6 | City of Angels | 2012-12-24 | 60 min |
| Season 6 | Episode 7 | Missing in the Mountains | 2013-01-14 | 60 min |
| Season 6 | Episode 8 | Radio Silence | 2013-01-14 | 60 min |
| Season 6 | Episode 9 | Out of the Ashes | 2013-01-21 | 60 min |
| Season 6 | Episode 10 | Breaking News | 2013-01-28 | 60 min |
| Season 6 | Episode 11 | A Diamond is Forever | 2013-02-04 | 60 min |
| Season 6 | Episode 12 | Final Season | 2013-03-31 | 60 min |
| Season 6 | Episode 13 | Long Lost Love | 2013-04-04 | 60 min |
| Season 6 | Episode 14 | Birds of Prey | 2013-04-04 | 60 min |
| Season 6 | Episode 15 | At the Crossroads | 2013-04-04 | 60 min |
| Season 7 | Episode 1 | Somebody's Watching | 2016-04-11 | 60 min |
| Season 7 | Episode 2 | Against the Tide | 2016-04-18 | 60 min |
| Season 7 | Episode 3 | Road To Nowhere | 2016-04-25 | 60 min |
| Season 7 | Episode 4 | Walk Into Darkness | 2016-05-02 | 60 min |
| Season 7 | Episode 5 | Off the Grid | 2016-05-09 | 60 min |
| Season 7 | Episode 6 | No Stone Unturned | 2016-05-16 | 60 min |
| Season 7 | Episode 7 | California Leaving | 2016-05-23 | 60 min |
| Season 7 | Episode 8 | A Family Man | 2016-05-30 | 60 min |
| Season 7 | Episode 9 | Love Triangle | 2016-06-06 | 60 min |
| Season 7 | Episode 10 | Girl Interrupted | 2016-06-06 | 60 min |
| Season 8 | Episode 1 | American Gothic | 2017-03-26 | 60 min |
| Season 8 | Episode 2 | The Silent Son | 2017-04-02 | 60 min |
| Season 8 | Episode 3 | Spirited Away | 2017-04-09 | 60 min |
| Season 8 | Episode 4 | On a Mission | 2017-04-16 | 60 min |
| Season 8 | Episode 5 | Every Mother's Son | 2017-04-23 | 60 min |
| Season 8 | Episode 6 | Into the Night | 2017-04-30 | 60 min |
| Season 8 | Episode 7 | Flight Risk | 2017-05-07 | 60 min |
| Season 8 | Episode 8 | About a Boy | 2017-05-21 | 60 min |
| Season 8 | Episode 9 | The One That Got Away | 2017-05-28 | 60 min |
| Season 8 | Episode 10 | The Last Summer | 2017-06-04 | 60 min |
| Season 8 | Episode 11 | A Bridge Too Far | 2017-06-11 | 60 min |
| Season 8 | Episode 12 | Lost Angel | 2017-06-18 | 60 min |
| Season 8 | Episode 13 | The Long Way Home | 2017-06-25 | 60 min |
| Season 9 | Episode 1 | Edge of Fourteen | 2018-04-01 | 60 min |
| Season 9 | Episode 2 | Troubled Waters | 2018-04-15 | 60 min |
| Season 9 | Episode 3 | Into the Mist | 2018-04-22 | 60 min |
| Season 9 | Episode 4 | Born This Way | 2018-04-29 | 60 min |
| Season 9 | Episode 5 | The Vanishing Hour | 2018-05-06 | 60 min |
| Season 9 | Episode 6 | In Broad Daylight | 2018-05-13 | 60 min |
| Season 9 | Episode 7 | Last Words | 2018-04-08 | 60 min |
| Season 9 | Episode 8 | Just Out of Sight | 2018-05-20 | 60 min |
| Season 9 | Episode 9 | So Close to Home | 2018-05-27 | 60 min |
| Season 9 | Episode 10 | Last Stop | 2018-06-03 | 60 min |
| Season 9 | Episode 11 | Breaking Away | 2018-06-10 | 60 min |
| Season 9 | Episode 12 | Moment of Truth | 2018-06-17 | 60 min |
| Season 9 | Episode 13 | A Date With Danger | 2018-06-24 | 60 min |
| Season 10 | Episode 1 | Vanished in the Night | 2022-09-07 | 60 min |
| Season 10 | Episode 2 | Disappearance in the Desert | 2022-09-14 | 60 min |
| Season 10 | Episode 3 | Navajo Nightmare | 2022-09-21 | 60 min |
| Season 10 | Episode 4 | The Long Drive Home | 2022-09-28 | 60 min |
| Season 10 | Episode 5 | Vanished in the Heartland | 2022-10-05 | 60 min |
| Season 10 | Episode 6 | A Vanishing on the Border | 2022-10-19 | 60 min |
| Season 10 | Episode 7 | The Sweetest Man in the World | 2022-10-26 | 60 min |
| Season 10 | Episode 8 | New Mom Missing | 2022-11-02 | 60 min |
| Season 11 | Episode 1 | A Vanishing at the Golden Gate Bridge | 2023-08-27 | 61 min |
| Season 11 | Episode 2 | Love and Lies in Idyllwild | 2023-09-03 | 60 min |
| Season 11 | Episode 3 | Mountain of Mystery | 2023-09-10 | 60 min |
| Season 11 | Episode 4 | The Secrets of Bissonnet Street | 2023-09-17 | 60 min |
| Season 11 | Episode 5 | Lost in Her Secrets | 2023-09-25 | 60 min |
| Season 11 | Episode 6 | Lost in Paradise | 2023-10-01 | 60 min |
| Season 11 | Episode 7 | Descent Into Darkness | 2023-10-08 | 60 min |
| Season 11 | Episode 8 | Gone With the Night | 2023-10-15 | 60 min |
| Season 11 | Episode 9 | Trouble at Home | 2023-10-22 | 60 min |
| Season 11 | Episode 10 | Mystery in the Ozarks | 2023-10-29 | 60 min |
| Writing | Javier Ugarte | Idea |
| Writing | Jorge Guerricaechevarría | Idea |
| Writing | Patxi Amezcua | Idea |
