Checkmate

"Oh... I'm ten steps ahead of you and you haven't even figured out what game we're playing yet."

—Adrian Chase/Prometheus gloating to Oliver about his plan

"Checkmate"
Information
Season 5 » Episode 16
Episode number	108 of 170
Original airdate	March 15, 2017
Written by	Beth Schwartz Sarah Tarkoff
Directed by	Ken Shane
Guest stars
Rick Gonzalez as Rene Ramirez/Wild Dog Juliana Harkavy as Dinah Drake/Black Canary Carly Pope as Susan Williams Lexa Doig as Talia al Ghul David Meunier as Ishmael Gregor Mike Dopud as Viktor Adrian Holmes as Frank Pike David Nykl as Anatoly Knyazev Kacey Rohl as Alena
Chronology
Preceded by	"Fighting Fire With Fire"
Followed by	"Kapiushon"

"Checkmate" is the sixteenth episode of the fifth season of Arrow, and the one-hundred-eighth episode overall. It aired on March 15, 2017.

Synopsis

Oliver gets closer to the truth about Prometheus. Meanwhile, Helix refuses to continue helping Felicity until she does a favor for them.

Gallery

Videos

Arrow Checkmate Trailer The CW

Arrow Inside Arrow Checkmate The CW

Arrow Checkmate Scene The CW

Arrow 5x16 Sneak Peek 2 "Checkmate" (HD) Season 5 Episode 16 Sneak Peek 2

Production

Preparation ran from January 9, 2016 until January 17, 2017. Shooting ran from January 18 until January 27, 2017.

Trivia

• Oliver and the rest of Team Arrow find out that Adrian Chase is Prometheus.
• This is the first appearance of Talia al Ghul in Season 5 in present day appearance rather than flashback appearance.
• In the flashbacks, Oliver mentions that he doesn't know anyone who could get data off a bullet-ridden laptop, referencing what Oliver asks Felicity to do in the first season.
• Lexa Doig, David Nykl, Adrian Holmes and Mike Dopud previously appeared in the Stargate franchise.