"Whatever Remains, However Improbable"
◀️ Fit to be Tied Elementary intertitle   Transcript Script icon

Season: Six — Episode: 21
Director: Christine Moore — Writer: Robert Doherty — Aired: September 17, 2018 — Viewers (millions): 3.10
Summary: Holmes and Watson face their greatest challenge to date when a murder investigation threatens to destroy their partnership.


Elementary intertitle Episode Cast
Main Cast


No. We're much better than that. We're two people that love each other. We always have been.
— Holmes to Watson
In the wake of Michael Rowan's killing, Watson is questioned by FBI Agent Mallick. Watson's alibi is weak as she was at her parent's house, but only her mother was present. Mallick believes Watson killed Rowan as an act of obsession after he invaded The Brownstone and attacked her. Mallick plays Watson a recording of Rowan leaving an internet voicemail for William Bazemore when he was killed in which Rowan says "Joan." Watson asks for a lawyer. Holmes and Watson consult with an attorney who believes she'll have a tough time defending Watson and indicates that Mallick wants Watson imprisoned. In private, they confirm that neither of them did kill Rowan and without the NYPD's help, Holmes says they'll have to cheat in their investigation. Holmes surprises Captain Gregson at his home and asks for help which Gregson can't give as he's being too closely watched.

S06E21-Watson interrogated
I wanted him behind bars too.
At the Brownstone, Holmes has Watson review Rowan's autopsy report which he stole from the Morgue. He's blown up a picture of Rowan's corpse significantly. Watson notices that Rowan's orbital bone was fractured meaning he was concussed as he died and, that the wound Watson inflicted on him when he attacked her has been stitched up by a former Vietnam war medic. Holmes has an idea who the medic might be. At a support group meeting, Holmes confronts Denny Mulgrew. In private, Mulgrew admits to helping Rowan but didn't know he was a serial killer. Rowan told him he was stabbed trying to buy drugs. He let Rowan stay at his house overnight but he left in the morning. When he learned of the accusations against Rowan, he kept quiet, fearing imprisonment. Holmes says he'll protect him from the police if he helps him.

S06E21-With Michael corpse pic
Note the wound you inflicted.



  • The episode title is taken from a famous Conan Doyle Sherlock Holmes quote, "when you have eliminated the impossible, whatever remains, however improbable, must be the truth" which first appeared in The Sign of the Four. Holmes also quotes it in "The Leviathan".
  • Lord St. Simon and Hatty Doran are both characters from Conan Doyle's The Adventure of the Noble Bachelor.
  • Holmes' phranology bust "Angus" which Watson used to subdue DEA Agent Diaz in "A Giant Gun, Filled with Drugs" is seen behind Holmes at 221B Baker Street.


"Well then it's over, you know. You know, our little family unit. You, me, the Captain, Marcus. We'll never be able to set foot in that precinct ever again."
―Holmes to Watson


Elementary Season Six Episodes
An Infinite Capacity for Taking PainsOnce You've Ruled Out GodPushing ButtonsOur Time Is UpBits and PiecesGive Me the FingerSober CompanionsSand TrapNobody Lives ForeverThe Adventures of Ersatz SobekneferuYou've Come a Long Way, BabyMeet Your MakerBreatheThrough the FogHow to Get a HeadUncanny Valley of the DollsThe Worms Crawl in, the Worms Crawl OutThe Visions of Norman P. HorowitzThe Geek InterpreterFit to be TiedWhatever Remains, However Improbable

Elementary S6

Season OneSeason TwoSeason ThreeSeason FourSeason FiveSeason SixSeason Seven
Community content is available under CC-BY-SA unless otherwise noted.