7.22 avg 6 episodes 6.6 → 7.1 49 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Tutankhamun: The Mystery of the Burnt Mummy | 6.6 | 9 |
| 2 | Queen Victoria And The Crippled Kaiser | 7.1 | 37 |
| 3 | Finding Babylon's Hanging Garden | 7.3 | 33 |
| 4 | New Secrets of the Terracotta Warriors | 7.3 | 23 |
| 5 | The Dambusters' Great Escape | 7.9 | 81 |
| 6 | Return of the Black Death | 7.1 | 37 |
7.00 avg 3 episodes 6.8 → 7.0 47 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Real Noah's Ark | 6.8 | 11 |
| 2 | Hitler's Hidden Drug Habit | 7.2 | 25 |
| 4 | The Great Wall of China: The Hidden Story | 7.0 | 49 |
7.40 avg 6 episodes 7.0 → 7.1 65 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 2 | Prince Philip - The Plot to Make a King | 7.0 | 46 |
| 3 | Hunt for the Arctic Ghost Ship | 7.2 | 29 |
| 4 | The Other Prince William | 7.9 | 19 |
| 5 | First Humans: The Cave Discovery | 7.6 | 9 |
| 6 | Cleopatra's Lost Tomb | 7.6 | 25 |
| 7 | China - Treasures of the Jade Empire | 7.1 | 17 |
7.12 avg 5 episodes 6.5 → 6.9 52 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Shakespeare's Tomb | 6.5 | 36 |
| 2 | The Mystery of the Crossrail Skulls | 7.6 | 13 |
| 3 | Jutland - WW1's Greatest Sea Battle | 7.4 | 6 |
| 5 | China's Forgotten Emperor | 7.2 | 30 |
| 6 | Saddam Goes to Hollywood | 6.9 | 34 |
7.35 avg 4 episodes 7.1 → 7.6 52 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Titanic: The New Evidence | 7.1 | 115 |
| 2 | Dunkirk: The New Evidence | 8.0 | 13 |
| 3 | Secrets of China's Forbidden City | 6.7 | 24 |
| 4 | Britain's Forgotten Army | 7.6 | 20 |