Derrick and his deputy, Harry Klein, back from holidays, discover that french TV channel 5 is dead. They'll have to build a plan to create a new "new 5 channel". They'll be helped by Starsky & Hutch, Matt Houston, Captain Kirk or french inspector Navarro, while Superman, assisted by Number 6 and Roger Moore, will try to thwart their plan.
| Actor | Role |
|---|---|
 Horst TappertDerrick (archive footage) | Derrick (archive footage) |
 Fritz WepperHans (archive footage) | Hans (archive footage) |
 Roger MooreBrett Sinclair (archive footage) | Brett Sinclair (archive footage) |
 Paul Michael GlaserStarsky (archive footage) | Starsky (archive footage) |