Season 6 - Episodes 135 to 162
| jap# | int# | title | released | wiki |
|---|---|---|---|---|
| 135 | 145 | The Disappearing Weapon Search Case | 15/02/99 |  |
| 136 | 146 | The Old Blue Castle Investigation Case (Part 1) | 22/02/99 | |
| 137 | 147 | The Old Blue Castle Investigation Case (Part 2) | 01/03/99 | |
| 138 | 148 | The Final Screening Murder Case (Part 1) | 08/03/99 | |
| 139 | 149 | The Final Screening Murder Case (Part 2) | 15/03/99 | |
| 140 | 150 | SOS! Messages from Ayumi | 12/04/99 | |
| 141 | 151 | The Night Before the Wedding Locked Room Case (Part 1) | 19/04/99 | |
| 142 | 152 | The Night Before the Wedding Locked Room Case (Part 2) | 26/04/99 | |
| 143 | 153 | The Suspicious Astronomical Observation | 03/05/99 | |
| 144 | 154 | The North Star No.3 Express Leaving Ueno (Part 1) | 10/05/99 | |
| 145 | 155 | The North Star No.3 Express Leaving Ueno (Part 2) | 17/05/99 | |
| 146 | 156 | Metropolitan Police Detective Love Story (Part 1) | 24/05/99 | |
| 147 | 157 | Metropolitan Police Detective Love Story (Part 2) | 31/05/99 | |
| 148 | 158 | The Streetcar's Sudden Stopping Case | 07/06/99 | |
| 149 | 159 | The Amusement Park Bungee Jumping Case | 21/06/99 | |
| 150 | 160 | The Truth Behind the Car Explosion Case (Part 1) | 28/06/99 | |
| 151 | 161 | The Truth Behind the Car Explosion Case (Part 2) | 05/07/99 | |
| 152 | 162 | The Mysterious Old Man Disappearance Case | 12/07/99 | |
| 153 | 163 | Sonoko's Dangerous Summer Story (Part 1) | 19/07/99 | |
| 154 | 164 | Sonoko's Dangerous Summer Story (Part 2) | 26/07/99 | |
| 155 | 165 | Underwater Key in the Locked Room Case | 02/08/99 | |
| 156 | 166 | Metropolitan Police Detective Love Story 2 (Part 1) | 09/08/99 | |
| 157 | 167 | Metropolitan Police Detective Love Story 2 (Part 2) | 16/08/99 | |
| 158 | 168 | The Silent Loop Line | 23/08/99 | |
| 159 | 169 | The Legend of the Mysterious Five Storied Pagoda (Part 1) | 06/09/99 | |
| 160 | 170 | The Legend of the Mysterious Five Storied Pagoda (Part 2) | 13/09/99 | |
| 161 | 171 | The Murder Floating in the Water Stream Restaurant | 20/09/99 | |
| 162 | 172-173 | The Locked Room in the Sky: Shinichi Kudo's First Case (1 Hour Special) | 27/09/99 | |
