| Title | Season | Episode # | First Aired |
|---|---|---|---|
| The Mist Goblin Murder Part 1 | 4 | 53 | |
| The Mist Goblin Murder Part 2 | 4 | 54 | |
| Weapon Of Choice | 4 | 55 | |
| Game Gone Bad | 4 | 56 | |
| Train Trick | 4 | 57 | |
| The Sunfish Murder | 4 | 58 | |
| Footsteps Of The Hero Part 1 | 4 | 59 | |
| Footsteps Of The Hero Part 2 | 4 | 60 | |
| Shopping Can Be Murder | 4 | 61 | |
| Illustrated Murder | 4 | 62 | |
| Ghost Ship Murder Part 1 | 4 | 63 | |
| Ghost Ship Murder Part 2 | 4 | 64 | |
| Gomera! | 4 | 65 | |
| The Three Fingerprints | 4 | 66 | |
| The Crab And Whale | 4 | 67 |