- Barbarossa - The Load plays at episode end as Sherlock reads a letter from Moriarty.
- The dollhouse pictures were based on a book called The Nutshell Studies of Unexplained Death.
- At episode end, Watson is seen beginning to write The Casebook of Sherlock Holmes referring to the final set of Conan Doyle's Sherlock Holmes stories.
- 6 minutes of footage was cut from this episode.
Behind the Scenes
|Elementary Season Two Episodes|
|Step Nine • Solve for X • We Are Everyone • Poison Pen • Ancient History • An Unnatural Arrangement • The Marchioness • Blood Is Thicker • On the Line • Tremors • Internal Audit • The Diabolical Kind • All in the Family • Dead Clade Walking • Corpse de Ballet • The One Percent Solution • Ears to You • The Hound of the Cancer Cells • The Many Mouths of Aaron Colville • No Lack of Void • The Man With the Twisted Lip • Paint It Black • Art in the Blood • The Grand Experiment|
|Season One • Season Two • Season Three • Season Four • Season Five • Season Six • Season Seven|