Arrow Season 5 Episode 23 Promo and Details

Arrow Season 5 is coming to its big finale! Here's what we thought of the latest episode, "Missing." 

What's up next? That would be the season finale, "Lian Yu."

Here's the official episode synopsis, courtesy of the CW:

The battle between Oliver (Stephen Amell) and Adrian Chase (Josh Segarra) culminates in a final epic battle on Lian Yu.  After recent events, Oliver decides to recruit a group of unlikely allies – Slade (guest star Manu Bennett), Nyssa (guest star Katrina Law), Merlyn (John Barrowman) and Digger Harkness (guest star Nick. E. Tarabay) – to defeat Chase.  However, Chase has his own army – Black Siren (guest star Katie Cassidy), Evelyn Sharp (guest star Madison McLaughlin) and Talia al Ghul (guest star Lexa Doig) – and the forces collide in an explosive season finale.Check out the trailer for the Arrow Season 5 finale, "Lian Yu."

Watch the trailer here...

Also, while we have your attention, did you hear the good news that Arrow Season 6 is happening, too?

Watch Arrow on Amazon

Check out our complete episode guide, here...

Arrow Season 5 Episodes

Click the blue titles to go to full reviews!

Arrow Season 5 Episode 1: Legacy

air date: October 5, 2016.

Arrow Season 5 Episode 2: The Recruits

Oliver’s (Stephen Amell) new recruits for Team Arrow are Curtis (Echo Kellum), Wild Dog (guest star Rick Gonzalez) and Evelyn Sharp (guest star Madison McLaughlin). Unfortunately, the Green Arrow’s training methods prove to be too much for some of them to handle.  Meanwhile, in the flashbacks, Oliver’s initiation into the Bratva continues.

air date: October 12, 2016

Arrow Season 5 Episode 3: A Matter of Trust

Now that Oliver (Stephen Amell) has his new team, they are ready to hit the streets but Oliver doesn’t feel they are ready.  Headstrong Wild Dog (guest star Rick Gonzalez) defies the Green Arrow’s orders and sets out on his own after a new drug dealer, Garret Runnels (guest star Cody Rhodes), who is terrorizing Star City.  Runnels proves more powerful than Wild Dog and it is up to the Green Arrow to go head to head with Runnels to save his teammate.

air date: October 19, 2016

Arrow Season 5 Episode 4: Penance

Oliver (Stephen Amell) and Lyla (guest star Audrey Marie Anderson) team up on a secret mission for Diggle (David Ramsey). Felicity (Emily Bett Rickards) finds out and disapproves of the plan and opts to stay behind. When Tobias Church (guest star Chad L. Coleman) launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out sans the Green Arrow.

air date: October 26, 2016

Arrow Season 5 Episode 5: Human Target

When Tobias Church (guest star Chad L. Coleman) captures and tortures one of Oliver’s new recruits, Oliver must turn to an old friend, Christopher Chance (guest star Wil Traval) AKA the Human Target, for help.  Meanwhile, Felicity’s (Emily Bett Rickards) worlds collide when Detective Malone (guest star Tyler Ritter) joins the ACU.

air date: 11/2/16

Arrow Season 5 Episode 6: So It Begins

When Prometheus ups his killing spree, Oliver (Stephen Amell) searches for connections between the victims.  Felicity (Emily Bett Rickards) and Curtis (Echo Kellum) discover the victims have a mysterious link to Oliver’s past and this new secret could upend his new team.  Meanwhile, Thea (Willa Holland) has a heart-to-heart with Lance (Paul Blackthorne), and Felicity considers telling Malone (guest star Tyler Ritter) the truth about her work

air date: 11/9/16

Arrow Season 5 Episode 7: Vigilante

When the bodies of two criminals are dropped at SCPD, Oliver (Stephen Amell) realizes there is a new Vigilante in Star City. The team is split about whether they should stop someone who is helping keep the city safe. Diggle (David Ramsey) is frustrated with his new situation and Thea (Willa Holland) fights for Lance (Paul Blackthorne) who confesses a shocking secret. Meanwhile, in the flashbacks, Oliver finally sits down with Konstantin Kovar (guest star Dolph Lundgren).

air date: 11/16/16

Arrow Season 5 Episode 8: Invasion!

Oliver (Stephen Amell) wakes up to a life where he never got on The Queen’s Gambit. Robert (guest star Jamey Sheridan) and Moira Queen (guest star Susanna Thompson) are alive and well.  Laurel (guest star Katie Cassidy) is his loving fiancée and their wedding is imminent. Everything seems perfect, but Oliver starts to notice small imperfections that make him question this new reality. Meanwhile, Felicity (Emily Bett Rickards) and the recruits take on a new threat with help from The Flash (guest star Grant Gustin) and Supergirl (guest star Melissa Benoist).

air date: 11/30/16

Arrow Season 5 Episode 9: What We Leave Behind

After Prometheus attacks Curtis (Echo Kellum), Oliver (Stephen Amell) realizes Prometheus knows all of Team Arrow’s secret identities and is planning to come for them one by one.  Felicity (Emily Bett Rickards) and Detective Malone (guest star Tyler Ritter) discover a clue that links Prometheus to Oliver’s past.

air date: 12/7/16

Arrow Season 5 Episode 10: Who Are You?

Worried that Prometheus is right and he is truly a killer at heart, Oliver (Stephen Amell) looks for any ray of hope and finds it in what seems to be the miraculous return of Laurel Lance (guest star Katie Cassidy). However, Felicity (Emily Bett Rickards), still reeling from Detective Malone’s murder, is bent on revenge – she wants to stop Prometheus at any cost.  While in prison, Diggle (David Ramsey) fights for his life.  

air date: 1/25/17

Arrow Season 5 Episode 11: Second Chances

In his quest to take down Kovar, Oliver (Stephen Amell) gets help from a surprising source – Talia al Ghul (guest star Lexa Doig).  However, when she reveals what she wants from him in exchange, Oliver isn’t sure he can accept her help.  Felicity (Emily Bett Rickards) attempts to hack the NSA to help free Diggle (David Ramsey) but when her online efforts are flagged, she faces off against an unknown adversary.  Meanwhile, Curtis (Echo Kellum) tells the team about a female vigilante, Tina Boland (guest star Juliana Harkavay), he uncovered online who has been wreaking havoc all over the country.  

air date: 2/1/17

Arrow Season 5 Episode 12: Bratva

A mission takes Oliver (Stephen Amell), Felicity (Emily Bett Rickards) and team to Russia where they meet up with Oliver’s old friend, Anatoly (guest star David Nykl). Meanwhile, fresh out of rehab, Lance (Paul Blackthorne) returns to the mayor’s office ready to get back to work. However, when Susan (guest star Carly Pope) asks for an interview with Lance to discuss his addiction, he balks and it’s up to Rene (guest star Rick Gonzalez) to help keep things on track. 

air date: 2/8/17

Arrow Season 5 Episode 13: Spectre of the Gun

A traumatic attack on City Hall triggers painful memories for Rene (Rick Gonzalez) about his family. Flashbacks reveal how Rene went from simple family man to a hero named Wild Dog. Meanwhile, Oliver (Stephen Amell) must deal with the perpetrator behind the attack and realizes the best way to do so is as Mayor Queen instead of the Green Arrow. Tensions run high in the Arrow bunker.

air date: 2/15/17

Arrow Season 5 Episode 14: The Sin-Eater

China White (guest star Kelly Hu), Cupid (guest star Amy Gumenick), and Liza Warner (guest star Rutina Wesley) break out of Iron Heights and head to Star City for revenge. Oliver (Stephen Amell) tries to bring in the newly formed girl gang but the ACU intervenes mid-fight.  To his surprise, they are there to arrest the Green Arrow for the murder of Detective Malone. Meanwhile, Lance (Paul Blackthorne) feels responsible for the prison break after Warner tells him she heard about him working with Damien Darhk.

air date: 2/22/17

Arrow Season 5 Episode 15: Fighting Fire With Fire

Oliver (Stephen Amell) faces his biggest challenge yet as mayor. Felicity (Emily Bett Rickards) continues down her dark path with Helix. After Vigilante attacks Oliver while he’s acting as the mayor, Diggle (David Ramsey) leads the team in a mission to stop Vigilante once and for all.

air date: 3/1/17

Arrow Season 5 Episode 16: Checkmate

Oliver (Stephen Amell) gets closer to the truth about Prometheus.  Meanwhile, Helix refuses to continue helping Felicity (Emily Bett Rickards) until she does a favor for them. 

air date: 3/15/17

Arrow Season 5 Episode 17: Kapushion

Prometheus (Josh Segarra) goes to great lengths to break Oliver (Stephen Amell). Meanwhile, in the flashbacks, Anatoly (guest star David Nykl) becomes worried about Oliver’s increasingly violent tendencies, which come to a head in a brutal confrontation. 

air date: 3/22/17

Arrow Season 5 Episode 18: Disbanded

Diggle (David Ramsey) and Felicity (Emily Bett Rickards) are shocked by Oliver’s (Stephen Amell) decision to call on the Bratva to help take down Prometheus (Josh Segurra). Concerned the Bratva may overstep, Diggle has a hard conversation with Oliver about what happens if things go south.  Meanwhile, Felicity learns something shocking at Helix.

air date: 3/29/17

Arrow Season 5 Episode 19: Dangerous Liaisons

Oliver (Stephen Amell), Team Arrow, ARGUS and the SCPD kick off a citywide manhunt for Adrian Chase (Josh Segurra).  Helix tells Felicity (Emily Bett Rickards) they have a way to find Chase but they will need something big, and illegal, from her in return.

air date: 4/26/17

Arrow Season 5 Episode 20: Underneath

Things get intense when Oliver (Stephen Amell) and Felicity (Emily Bett Rickards) are trapped in the bunker together.  Meanwhile, Lyla (guest star Audrey Marie Andreson) and Diggle (David Ramsey) deal with their martial issues.

air date: 5/3/17

Arrow Season 5 Episode 21: Honor Thy Fathers

Oliver (Stephen Amell) returns to the mayor’s office and faces one of his most pressing issues yet – the forced release of dozens of violent criminals prosecuted by Adrian Chase (Josh Segarra). Meanwhile, a crate is delivered to Oliver’s office containing a mysterious corpse encased in concrete.

air date: 5/10/17

Arrow Season 5 Episode 22: Missing

Black Siren (guest star Katie Cassidy) returns to help Chase (Josh Segarra).  Felicity (Emily Bett Rickards) organizes a birthday party for Oliver (Stephen Amell) while Lance (Paul Blackthorne) is furious after Rene (Rick Gonzalez) misses the custody hearing for his daughter.

air date: 5/17/17

Arrow Season 5 Episode 23: Lian Yu

The battle between Oliver (Stephen Amell) and Adrian Chase (Josh Segarra) culminates in a final epic battle on Lian Yu.  After recent events, Oliver decides to recruit a group of unlikely allies – Slade (guest star Manu Bennett), Nyssa (guest star Katrina Law), Merlyn (John Barrowman) and Digger Harkness (guest star Nick. E. Tarabay) – to defeat Chase.  However, Chase has his own army – Black Siren (guest star Katie Cassidy), Evelyn Sharp (guest star Madison McLaughlin) and Talia al Ghul (guest star Lexa Doig) – and the forces collide in an explosive season finale.

air date: 5/24/17