Elementary 6x21 "Whatever Remains, However Improbable" Season Finale Promo

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This could be the murder investigation to end it all. Sherlock and Watson's partnership is on the line in the season finale of #Elementary, this Monday at 10/9c! pic.twitter.com/JfRydaisDX
- Elementary (@Elementary_CBS) September 14, 2018

Uncle Detective and Watson face their greatest challenge to date when a murder investigation threatens to destroy their partnership, in the conclusion of a two-episode sixth season finale event.


Sherlock and Watson are at odds. #Elementaryhttps://t.co/jOEvBPxAiT
- Entertainment Tonight (@etnow) September 14, 2018

Joan is questioned about nefarious Michael's death. The FBI is always useless on this show.

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