This Episode Provides Examples of:
- And I Must Scream: The fate worse than death to which convicted criminals are sentenced.
- Bittersweet Ending: Justice is served, but Holmes will have a heck of a time getting to sleep and staying asleep for a long time to come...
- Break the Cutie: Usually, with Holmes, this would be a case of Break the Haughty. But his adventures with the Doctor had been, up to this point, softening him.
- Clear Their Name: It's up to the two Doctors now.
- Darker and Edgier: Up 'til now, Holmes and Watson have been getting into no more trouble than Martha did in the original season. This marks the first time one of the Holmesian Companions gets in deep.
- Serial Escalation: Though the Cerebus Syndrome doesn't kick in until "Dynamics of a Point", this is the episode that starts racking up the intensity.