| Title | Season | Episode # | First Aired |
|---|---|---|---|
| The Super Car's Trap Part 2 | 10 | 210 | |
| The Suspicious Astronomical Observation | 10 | 150 | |
| The Tenth Passenger Part 1 | 10 | 213 | |
| The Tenth Passenger Part 2 | 10 | 214 | |
| The Three Fingerprints | 4 | 66 | |
| The Time Bomb Express | 1 | 5 | Monday May 31, 2004 |
| The Traveling Drama Murder Part 1 | 9 | 133 | |
| The Traveling Drama Murder Part 2 | 9 | 134 | |
| The Truth Of The Exploding Car Part 1 | 10 | 157 | |
| The Truth Of The Exploding Car Part 2 | 10 | 158 | |
| The Two Faced Brother | 1 | 16 | Thursday June 17, 2004 |
| The Underwater Locked Room | 10 | 162 | |
| The Unseen Angle Of Darkness Part 1 | 10 | 178 | |
| The Unseen Angle Of Darkness Part 2 | 10 | 179 | |
| The Water Palace Of Five Colors Part 1 | 11 | 222 | |
| The Water Palace Of Five Colors Part 2 | 11 | 223 | |
| The Weather Girl Kidnapping | 9 | 130 | |
| The White Sands Murder Case | 8 | 119 | |
| Tragic Valentine | 1 | 6 | Tuesday June 1, 2004 |
| Train Trick | 4 | 57 | |
| Triple Terror | 5 | 74 | |
| Unexpected Visitors | 3 | 46 | Tuesday August 10, 2004 |
| Unhappy Birthday | 3 | 45 | Monday August 9, 2004 |
| Weapon Of Choice | 4 | 55 |
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