- St. Lucia - Physical plays on Phoebe Elliot's head phones moments before she is shot from a car.
- The Foundation - Build Me Up Buttercup plays from the car that is used to shoot Phoebe.
- The Lumineers - In the Light plays at episode end as Watson tells Lin Wen that her mother called her and invited Watson to tea.
- "Are you still irked that she and my brother once rode below the crupper? Did you think he was a virgin?"
- ―Holmes to Watson concerning Lin Wen
|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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