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Unusual Suspects (2010)

Crime · Documentary

Unusual Suspects is an American documentary television series on Investigation Discovery. The series debuted on June 21, 2010. The series showcases many of the most shocking and difficult cases in law enforcement history, and also sheds light on the investigations that led to the arrest of the culprits.

IMDb rating
7.5 (1,061 votes)
Seasons
8
Streaming (US)
Hulu · Peacock · Discovery+ Amazon Channel · YouTube TV · Philo · Investigation Discovery · Discovery +
Language
EN
Type
TV series
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Ratings refreshed Aug 19, 2026 · 8 seasons indexed

Seasons

Season 1 (2010)

7.62 avg 13 episodes 7.3 → 8.1 44 min avg

Ep 1: 7.3 · 37 votesEp 2: 7.9 · 18 votesEp 3: 7.4 · 32 votesEp 4: 7.9 · 21 votesEp 5: 5.8 · 22 votesEp 6: 8.0 · 22 votesEp 7: 7.3 · 20 votesEp 8: 8.0 · 13 votesEp 9: 8.1 · 33 votesEp 10: 7.7 · 14 votesEp 11: 8.1 · 15 votesEp 12: 7.5 · 25 votesEp 13: 8.1 · 15 votes
Season 1 episodes - IMDb ratings
#TitleRatingVotes
1The Killer Nearby7.337
2Betrayal of Trust7.918
3A Mother's Conviction7.432
4Will to Murder7.921
5Murder in Biloxi5.822
6Monster in Spokane8.022
7Millionaire's Murder7.320
8Missing Executive8.013
9Burned8.133
10Lovers & Liars7.714
11Overkill8.115
12Happy Face Killer7.525
13Cold Blooded8.115

Season 2 (2011)

7.73 avg 11 episodes 7.8 → 7.9 44 min avg

Ep 1: 7.8 · 18 votesEp 2: 7.4 · 17 votesEp 3: 8.2 · 17 votesEp 4: 7.6 · 15 votesEp 5: 7.8 · 21 votesEp 6: 7.8 · 15 votesEp 7: 8.6 · 23 votesEp 8: 7.0 · 13 votesEp 9: 7.6 · 13 votesEp 10: 7.3 · 14 votesEp 11: 7.9 · 12 votes
Season 2 episodes - IMDb ratings
#TitleRatingVotes
1Never Came Home7.818
2Getting Even7.417
3Little Girl Lost8.217
4Who Wanted Them Dead?7.615
5Hiding in Plain Sight7.821
6Terror in Gulfport7.815
7Where's Becky8.623
8Blood on the Badge7.013
9Cop Killer7.613
10Death of a Freshman7.314
11Murder in the Mansion7.912

Season 3 (2012)

7.83 avg 10 episodes 8.5 → 7.0 44 min avg

Ep 1: 8.5 · 19 votesEp 2: 7.9 · 11 votesEp 3: 9.2 · 16 votesEp 5: 7.7 · 13 votesEp 7: 8.0 · 10 votesEp 9: 7.6 · 12 votesEp 10: 8.1 · 12 votesEp 11: 7.3 · 14 votesEp 12: 7.0 · 10 votesEp 13: 7.0 · 11 votes
Season 3 episodes - IMDb ratings
#TitleRatingVotes
1The Perfect Family8.519
2A Monstrous Act7.911
3Murders on Miguel Lane9.216
5Clairemont Killer7.713
7Murderous Intentions8.010
9Hotel Homicides7.612
10Elemental Murder8.112
11Deadly Denial7.314
12Random Act of Madness7.010
13Bathtub Killer7.011

Season 4 (2012)

7.73 avg 11 episodes 6.5 → 8.5 44 min avg

Ep 1: 6.5 · 15 votesEp 2: 8.1 · 12 votesEp 3: 7.9 · 17 votesEp 4: 7.5 · 14 votesEp 5: 7.9 · 15 votesEp 6: 7.4 · 12 votesEp 8: 7.9 · 19 votesEp 9: 7.9 · 15 votesEp 10: 7.6 · 12 votesEp 12: 7.8 · 14 votesEp 13: 8.5 · 17 votes
Season 4 episodes - IMDb ratings
#TitleRatingVotes
1Pure Evil6.515
2The Perfect Suspect8.112
3Wolf in Sheep's Clothing7.917
4Blood Trail Recreations7.514
5Mother's Day Murders7.915
6Gruesome Discovery7.412
8Murder on the Menu7.919
9Triple Threat7.915
10City Under Siege7.612
12No Mercy7.814
13Maritime Murder8.517

Season 5 (2013)

7.15 avg 13 episodes 7.8 → 6.9 44 min avg

Ep 1: 7.8 · 14 votesEp 2: 7.4 · 13 votesEp 3: 7.3 · 14 votesEp 4: 7.1 · 16 votesEp 5: 7.1 · 11 votesEp 6: 6.9 · 16 votesEp 7: 7.2 · 14 votesEp 8: 7.6 · 13 votesEp 9: 4.6 · 9 votesEp 10: 8.2 · 13 votesEp 11: 7.0 · 10 votesEp 12: 7.9 · 20 votesEp 13: 6.9 · 13 votes
Season 5 episodes - IMDb ratings
#TitleRatingVotes
1Deadly Forest7.814
2Christmas Mourning7.413
3Burning Fury7.314
4Driven to Murder7.116
5Phantom Predator7.111
6Deathbed6.916
7The Deacon's Undoing7.214
8Sin City Slaying7.613
9Manufacturing Murder4.69
10Little Boy Lost8.213
11Dark Place7.010
12The Last Resort7.920
13Dangerous Fortune6.913

Season 6 (2014)

7.17 avg 13 episodes 7.3 → 6.6 44 min avg

Ep 1: 7.3 · 22 votesEp 2: 8.0 · 28 votesEp 3: 8.0 · 23 votesEp 4: 7.7 · 25 votesEp 5: 6.4 · 17 votesEp 6: 8.1 · 21 votesEp 7: 6.5 · 15 votesEp 8: 7.4 · 21 votesEp 9: 6.2 · 16 votesEp 10: 6.8 · 17 votesEp 11: 7.3 · 15 votesEp 12: 6.9 · 16 votesEp 13: 6.6 · 12 votes
Season 6 episodes - IMDb ratings
#TitleRatingVotes
1Vanished in Reno7.322
2High School Homicide8.028
3Brute Force8.023
4Murder in Room 3487.725
5Wicked Impulse6.417
6Death of Innocence8.121
7Hometown Homicide6.515
8Stone Cold Killer7.421
9Blood in the Water6.216
10Sinister Secret6.817
11Dead End Trail7.315
12Nightclub Nightmare6.916
13Death Comes Calling6.612

Season 7 (2015)

7.40 avg 13 episodes 6.6 → 7.2 44 min avg

Ep 1: 6.6 · 15 votesEp 2: 7.4 · 16 votesEp 3: 7.1 · 19 votesEp 4: 6.9 · 16 votesEp 5: 7.5 · 17 votesEp 6: 7.4 · 18 votesEp 7: 7.0 · 13 votesEp 8: 7.1 · 14 votesEp 9: 7.8 · 16 votesEp 10: 8.5 · 35 votesEp 11: 7.2 · 18 votesEp 12: 8.5 · 26 votesEp 13: 7.2 · 15 votes
Season 7 episodes - IMDb ratings
#TitleRatingVotes
1Deadly Desire6.615
2Last Dance7.416
3No Good Deed7.119
4Deadly Accusation6.916
5Death and Taxes7.517
6Murder in the Mirror7.418
7An Eye for Murder7.013
8Absent Teacher7.114
9Left Alone7.816
10Flames in Paradise8.535
11Nightmare Field7.218
12Little Girl Gone8.526
13Barefoot Homicide7.215

Season 8 (2016)

7.60 avg 13 episodes 7.1 → 7.8 43 min avg

Ep 1: 7.1 · 18 votesEp 2: 7.6 · 17 votesEp 3: 8.2 · 27 votesEp 4: 8.1 · 18 votesEp 5: 7.2 · 18 votesEp 6: 7.5 · 18 votesEp 7: 7.4 · 15 votesEp 8: 7.9 · 19 votesEp 9: 7.9 · 15 votesEp 10: 7.7 · 20 votesEp 11: 6.7 · 14 votesEp 12: 7.7 · 15 votesEp 13: 7.8 · 18 votes
Season 8 episodes - IMDb ratings
#TitleRatingVotes
1New Years Evil7.118
2Silent Night7.617
3Ashes to Ashes8.227
4Vicious Voyeur8.118
5Drive with Danger7.218
6Knives and Lies7.518
7Last Curtain Call7.415
8Murder Down Memory Lane7.919
9Housebound Homicide7.915
10Kill Now Pay Later7.720
11End of the Line6.714
12Final Lesson7.715
13Stone Cold Fusion7.818

Episode ratings and vote counts from IMDb. Poster, overview, and streaming data from TMDB. Data refreshed 2026-08-19.

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