Baker Street Wiki
Baker Street Wiki

All In is the nineteenth episode of season four of Elementary. It first aired on CBS on the 10th April, 2016.


A mysterious woman who organizes illegal, high-stakes poker games arrives on Holmes and Watson's doorstep and tells them her life is in danger claiming to be a former associate of Mycroft, Sherlock's brother. However, as the pair investigates, Joan becomes suspicious that their new client isn't being truthful.


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  • Samantha Quan - Lin Wen
  • Sepideh Moafi - Sofia Darrow
  • Tim Guinee - Agent Dean McNally
  • Kushtrim Hoxha - Tugay Celik
  • Jonathan Avigdori - Vural Celik
  • Daniel London - Manteo Pena
  • Grainger Hines - James "Jimmer" Hobberkin, Jr.
  • Nadia Dajani - ME Grannis
  • Stephen DeRosa - Mel Cheney

Season Three Navigation[]

Season Four
#01 The Past Is Parent#09 Murder Ex Machina#17 You've Got Me, Who's Got You?
#02 Evidence of Things Not Seen#10 Alma Matters#18 Ready or Not
#03 Tag, You're Me#11 Down Where the Dead Delight#19 All In
#04 All My Exes Live in Essex#12 A View With a Room#20 Art Imitates Art
#05 The Games Underfoot#13 A Study in Charlotte#21 Ain't Nothing Like the Real Thing
#06 The Cost of Doing Business#14 Who Is That Masked Man?#22 Turn It Upside Down
#07 Miss Taken#15 Up to Heaven and Down to Hell#23 The Invisible Hand
#08 A Burden of Blood#16 Hounded#24 A Difference in Kind