Series Nine first aired on 26th September 1999 and ended on 5th March 2000. It consists of 24 episodes.
Episodes[]
| Episode Number | Running Total | Episode Name | Airdate (UK) |
| 1 | 127 | Manoeuvres in the Dark | 26th September 1999 |
| 2 | 128 | Tricks of the Trade | 3rd October 1999 |
| 3 | 129 | Intuition | 10th October 1999 |
| 4 | 130 | Puppet on a String | 17th October 1999 |
| 5 | 131 | Honor Among Thieves | 24th October 1999 |
| 6 | 132 | Shotgun Wedding | 31st October 1999 |
| 7 | 133 | Always a Copper | 7th November 1999 |
| 8 | 134 | Negative Vibes | 14th November 1999 |
| 9 | 135 | Kindness of Strangers | 21st November 1999 |
| 10 | 136 | Hollywood or Bust | 28th November 1999 |
| 11 | 137 | Flesh and Blood | 5th December 1999 |
| 12 | 138 | No Surrender | 12th December 1999 |
| 13 | 139 | Stag at Bay | 19th December 1999 |
| 14 | 140 | Full Circle | 26th December 1999 |
| 15 | 141 | The Seven Year Itch | 2nd January 2000 |
| 16 | 142 | Weight of Evidence | 9th January 2000 |
| 17 | 143 | For Art's Sake | 16th January 2000 |
| 18 | 144 | A Shot in the Dark | 23rd January 2000 |
| 19 | 145 | The Good Doctor | 30th January 2000 |
| 20 | 146 | Against the Odds | 6th February 2000 |
| 21 | 147 | Desperate Measures | 13th February 2000 |
| 22 | 148 | With This Ring | 20th February 2000 |
| 23 | 149 | Wise Guys | 27th February 2000 |
| 24 | 150 | The Son-In-Law | 5th March 2000 |
Gallery[]
