- Daniel Spaleniak - Back Home plays as Watson blackmails Emil Kurtz.
- As Holmes describes to Watson the five ways the Midnight Ranger has died in the comics, his personal favorite is "pushed over a waterfall, locked in the embrace of his nemesis." This is the same manner in which Conan Doyle's Sherlock Holmes "died" in The Final Problem.
- The company that delivers the Midnight Ranger comics to Holmes is "APD" (Axiom Parcel Delivery), the company featured in "The Female of the Species".
- "I was bitten by a radioactive detective."
- ―Holmes to Ben Garrett
|Elementary Season Four Episodes|
|The Past Is Parent • Evidence of Things Not Seen • Tag, You're Me • All My Exes Live in Essex • The Games Underfoot • The Cost of Doing Business • Miss Taken • A Burden of Blood • Murder Ex Machina • Alma Matters • Down Where the Dead Delight • A View with a Room • A Study in Charlotte • Who Is That Masked Man? • Up to Heaven and Down to Hell • Hounded • You've Got Me, Who's Got You? • Ready or Not • All In • Art Imitates Art • Ain't Nothing Like the Real Thing • Turn It Upside Down • The Invisible Hand • A Difference in Kind|
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