The Devil's Greatest Trick

"You made some moves. Then I made some moves. Queen is under indictment now. His team is fractured in a million pieces. And this city... ah, this city. It's prime for a takeover. See, guys like you never understand these things. Why destroy a city... when you can take it over?"

—Ricardo Diaz revealing his true motives to Cayden James

"The Devil's Greatest Trick"
Information
Season 6 » Episode 13
Episode number	128 of 170
Original airdate	February 8, 2018
Written by	Sarah Tarkoff Emilio Ortega Aldrich
Directed by	J.J. Makaro
Guest stars
Kirk Acevedo as Ricardo Diaz/Dragon (special guest star) David Nykl as Anatoly Knyazev Kacey Rohl as Alena/Kojo Sledgehammer Tina Huang as Kimberly Hill Michael Emerson as Cayden James
Chronology
Preceded by	"All for Nothing"
Followed by	"Collision Course"

"The Devil's Greatest Trick" is the thirteenth episode of the sixth season of Arrow, and the one-hundred-twenty-eighth episode overall. It aired on February 8, 2018.

Synopsis

Cayden James discovers a secret about Green Arrow that pushes him over the edge. Knowing everyone and everything he loves is in danger, Oliver must decide if he can do this alone or if he needs to turn to his old teammates for help. William starts to demand more of Oliver's time.

Gallery

Videos

Arrow The Devil’s Greatest Trick Trailer The CW

Exclusive Arrow Clip The Devil's Greatest Trick-0

Arrow 6x13 Sneak Peek 2 "The Devil's Greatest Trick" (HD) Season 6 Episode 13 Sneak Peek 2

Trivia

• Barry Allen makes a cameo in this episode. Oliver has Barry rush him and John to meet Cayden James before he leaves the city.
  • This is the first time that John did not vomit while being carried by a speedster.
  • However, Oliver had asked Barry beforehand to quickly take them to meet Cayden James. Thus, John would've prepared be transported at super speed, possibly by taking medication to prevent motion sickness.
• This episode possibly takes place after the events of The Flash episode "True Colors", in which Barry was released from prison.
• This is the first time since "The Trial of The Flash" where Barry appears on-screen as The Flash.
• Black Siren can be seen wearing one of the power-dampening collars that was shown in the Crisis on Earth-X crossover, having then been used by the Earth-X Nazis to suppress the powers of meta-human prisoners, as well as to deliver a painful electric shock to any inmate trying to escape.
• The title of this episode refers to the major twist at the end where it was revealed that Ricardo Diaz is revealed to be the true murderer of Cayden's son and the mastermind of the events of season 6.