Watch Elementary Season 6 full episodes online, free and paid options via our partners and affiliates.

Their Greatest Challenge - Elementary
Watch Elementary Season 6 Episode 21
"Whatever Remains, However Improbable"
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On Elementary Season 6 Episode 21, Holmes and Watson face their greatest challenge that may end up destroying their partnership on the season finale.

A New Victim - Elementary
Watch Elementary Season 6 Episode 20
"Fit to Be Tied"
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On Elementary Season 6 Episode 20, Holmes and Watson's conflict with a former friend intensifies when their newest victim looks to be the serial killer's prey.

The Prime Suspect - Elementary
Watch Elementary Season 6 Episode 19
"The Geek Interpreter"
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On Elementary Season 6 Episode 19, Holmes and Watson race to locate a missing woman when Holmes' friend becomes the prime suspect in her disappearance.

Foreseeing the Future - Elementary
Watch Elementary Season 6 Episode 18
"The Visions of Norman P. Horowitz"
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On Elementary Season 6 Episode 18, Holmes and Watson search for a killer who chooses victims based on the predictions of a man who claimed to see the future.

Identity Theft - Elementary
Watch Elementary Season 6 Episode 17
"The Worms Crawl In, the Worms Crawl Out"
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On Elementary Season 6 Episode 17, Holmes and Watson investigate if the murder of a zoologist took place because of his love affairs or his research.

Getting Shut Out - Elementary
Watch Elementary Season 6 Episode 16
"Uncanny Valley of the Dolls"
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On Elementary Season 6 Episode 16, Det. Bell is shut out of a required class for personal reasons while Holmes and Watson investigate real-life teleportation.

A Religion Professor - Elementary
Watch Elementary Season 6 Episode 15
"How to Get a Head"
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On Elementary Season 6 Episode 15, Holmes and Watson on the hunt for a killer connected to the occult while investigating the murder of a religion professor.

Bio-terroism Attack - Elementary
Watch Elementary Season 6 Episode 14
"Through the Fog"
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On Elementary Season 6 Episode 14, Holmes and Watson race to help Detective Bell when he becomes a victim of a bio-terrorism attack at the precinct.

Setbacks - Elementary
Watch Elementary Season 6 Episode 13
"Breathe"
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On Elementary Season 6 Episode 13, Watson's path to adopting a child suffers a setback as she prepares for a home visit from her agency caseworker.

A Private Client - Elementary
Watch Elementary Season 6 Episode 12
"Meet Your Maker"
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On Elementary Season 6 Episode 12, Holmes and Watson are hired by a private client to investigate the disappearance of a woman who led a double life online.

Taking On an Old Foe - Elementary
Watch Elementary Season 6 Episode 11
"You've Come a Long Way, Baby"
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On Elementary Season 6 Episode 11, Holmes engages an old foe in order to protect his father after he learns Morland is in danger of being killed.

Repairing Their Relationship - Elementary
Watch Elementary Season 6 Episode 10
"The Adventure of the Ersatz Sobekneferu"
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On Elementary Season 6 Episode 10, after a death in the family Sherlock and his father, Morland Holmes, attempt to repair their strained relationship.

Alfredo Needs Help - Elementary
Watch Elementary Season 6 Episode 9
"Nobody Lives Forever"
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On Elementary Season 6 Episode 9, Holmes and Watson investigate the poisoning of a biology professor who was working on a secret genetics project.

Clean Technology - Elementary
Watch Elementary Season 6 Episode 8
"Sand Trap"
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On Elementary Season 6 Episode 8, when a body is found encased in cement, Holmes and Watson's investigation takes them inside the clean technology industry.

Holmes Waivers - Elementary
Watch Elementary Season 6 Episode 7
"Sober Companions"
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On Elementary Season 6 Episode 7, after a murder rocks their inner circle, Holmes and Watson find themselves on the hunt for a serial killer.

Nuclear Security - Elementary
Watch Elementary Season 6 Episode 6
"Give Me the Finger"
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On Elementary Season 6 Epiode 6, Capt. Gregson is blindsided by his daughter's stunning confession, while Holmes and Watson enter the world of nuclear security.

A Severed Head - Elementary
Watch Elementary Season 6 Episode 5
"Bits and Pieces"
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On Elementary Season 6 Episode 5, Holmes must retrace his steps after he finds himself in possession of a severed head and no memory of the past six hours.

A Life Changing Decision - Elementary
Watch Elementary Season 6 Episode 4
"Our Time is Up"
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On Elementary Season 6 Episode 4, while investigating the murder of her former psychologist, Watson considers a major life changing decision.

Revolutionary War Reenactment - Elementary
Watch Elementary Season 6 Episode 3
"Pushing Buttons"
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On Elementary Season 6 Episode 3, Holmes and Watson investigate a case in which the victim was killed during a Revolutionary War reenactment.

Different Reactions - Elementary
Watch Elementary Season 6 Episode 2
"Once You've Ruled Out God"
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On Elementary Season 6 Episode 2, when their biological father dies, Watson and Lin have different reactions, also an inspector is killed with a lightening gun.

Medical Diagnosis - Elementary
Watch Elementary Season 6 Episode 1
"An Infinite Capacity for Taking Pains"
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On Elementary Season 6 Episode 1, Holmes and Watson are hired by a reformed party girl heiress to find her missing partner in a years-old sex tape.

Elementary Season 6 Quotes

My mother's ghost recently set a room on fire, so I've been doing most of my thinking elsewhere.

Sherlock [to Hawes]

Dr. Hawes: We've talked about this. You don't get to go on the ride until it's your turn.
Sherlock: When it's my turn, I won't really get the full experience.
Dr. Hawes: You want the full experience? Stay there. I'll get my scalpel.