Season 15 (2001)
7.47 avg 3 episodes 6.3 → 7.6 40 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 4 | Unforgiven: The Boys Who Murdered James Bulger | 6.3 | 146 |
| 5 | Beneath the Veil | 8.5 | 92 |
| 8 | Unholy War | 7.6 | 18 |
Seasons
Season 21 (2007)
7.23 avg 4 episodes 7.8 → 7.9 59 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 3 | Undercover Mosque | 7.8 | 30 |
| 21 | Drinking Yourself to Death | 5.8 | 7 |
| 32 | China's Stolen Children | 7.4 | 127 |
| 39 | Mark Thomas on Coca-Cola | 7.9 | 23 |
Season 22 (2008)
7.78 avg 5 episodes 6.8 → 7.8 50 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 9 | Iraq: The Lost Generation | 6.8 | 20 |
| 12 | Undercover in Tibet | 7.8 | 22 |
| 18 | In God's Name | 8.3 | 13 |
| 29 | Undercover Mosque: The Return | 8.2 | 14 |
| 40 | Saving Africa's Witch Children | 7.8 | 18 |
Season 24 (2010)
7.97 avg 6 episodes 8.3 → 8.3 49 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 9 | Children of Gaza | 8.3 | 15 |
| 13 | The Lost Girls of South Africa | 8.4 | 8 |
| 17 | Africa's Last Taboo | 8.4 | 6 |
| 21 | When Cousins Marry | 6.6 | 87 |
| 28 | Iraq's Secret War Files | 7.8 | 33 |
| 29 | Britain's Street Kids | 8.3 | 7 |
Season 25 (2011)
7.73 avg 4 episodes 9.0 → 5.9 49 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Battle for Haiti | 9.0 | 5 |
| 16 | America's Secret Killers | 7.0 | 6 |
| 25 | Gypsy Eviction: The Fight for Dale Farm | 9.0 | 8 |
| 29 | Britain's Sex Gangs | 5.9 | 23 |
Season 29 (2015)
7.57 avg 3 episodes 6.7 → 7.5 49 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 10 | How Safe Are Our Planes? | 6.7 | 7 |
| 20 | Escape from Isis | 8.5 | 32 |
| 29 | The Children Who Beat Ebola | 7.5 | 6 |
Season 31 (2017)
6.70 avg 5 episodes 6.6 → 7.7 32 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 5 | Supermarkets: Brexit and Your Shrinking Shop | 6.6 | 5 |
| 10 | Syria's Disappeared: The Case Against Assad | 7.4 | 21 |
| 11 | Secrets of Coca-Cola | 7.2 | 8 |
| 12 | President Trump - How Scared Should We Be? | 4.6 | 9 |
| 13 | ISIS and the Battle for Iraq | 7.7 | 7 |
Season 32 (2018)
6.90 avg 3 episodes 7.2 → 5.2 49 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 10 | Russian Spy Assassins: The Salisbury Attack | 7.2 | 11 |
| 14 | Myanmar's Killing Fields | 8.3 | 12 |
| 17 | Inside Facebook: Secrets of the Social Network | 5.2 | 43 |
Season 33 (2019)
6.33 avg 7 episodes 6.0 → 8.0 36 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Truth About Vegans | 6.0 | 5 |
| 2 | Skipping School: Britain's Invisible Kids | 3.0 | 5 |
| 5 | Safe at Last: Inside a Women's Refuge | 8.4 | 7 |
| 12 | Jeremy Kyle: TV on Trial | 7.2 | 5 |
| 23 | The Prince & the Paedophile | 6.8 | 34 |
| 26 | The Secrets of Amazon | 4.9 | 14 |
| 28 | Growing Up Poor: Britain's Breadline Kids | 8.0 | 8 |
Season 37 (2023)
6.86 avg 5 episodes 7.8 → 6.8 69 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 5 | Boris, the Lord & the Russian Spy | 7.8 | 14 |
| 6 | Sri Lanka's Easter Bombings | 6.6 | 8 |
| 7 | Russell Brand: In Plain Sight | 6.3 | 138 |
| 8 | Hunting Russia's Lost Boys | 6.8 | 6 |
| 9 | Hunt for Ukraine's Stolen Children | 6.8 | 7 |
Season 38 (2024)
7.01 avg 7 episodes 7.4 → 6.2
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Coca-Cola's Dirty Secret | 7.4 | 6 |
| 3 | Kill Zone : Inside Gaza | 8.4 | 33 |
| 4 | The Truth About Temu | 5.2 | 10 |
| 6 | Undercover A&E: NHS in Crisis | 7.2 | 6 |
| 11 | The King, The Prince & Their Secret Millions | 7.9 | 16 |
| 12 | Britain's Shoplifting Gangs Exposed | 6.8 | 6 |
| 13 | Britain's Benefits Scandal | 6.2 | 6 |
