• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Stars: Susanna Thompson (Moira Queen), John Barrowman (Malcolm Merlyn), Josh Segarra (Adrian Chase)
• Guest Starring: Andrea Sixtos (Adult Zoe Ramirez), Charlie Barnett (Adult John Diggle, Jr.)
• Special Guest Star: Colin Donnell (Tommy Merlyn)
• Co-Starring: Hugo Ateo (Alberto Vasquez), Jesse Martyn (Party Guest), Tegan Verheul (Not Felicity)
• Written By: Beth Schwartz & Marc Guggenheim
• Directed By: James Bamford

• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Guest Starring: Audrey Marie Anderson (Lyla Michaels), Andrea Sixtos (Adult Zoe Ramirez), Charlie Barnett (Adult John Diggle, Jr.), Kelly Hu (China White), Rila Fukushima (Tatsu Yamashiro), Lou Ticzon (David Chin)
• Co-Starring: Colin Foo (Proprietor), Derek Lowe (Robert Wong)
• Written By: Jill Blankenship & Sarah Tarkoff
• Directed By: Antonio Negret

• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Star: Willa Holland (Thea Queen aka Speedy)
• Guest Starring: Audrey Marie Anderson (Lyla Michaels), Andrea Sixtos (Adult Zoe Ramirez), Charlie Barnett (Adult John Diggle, Jr.), Lexa Doig (Talia al Ghul), Kyra Zagorsky (Athena)
• Co-Starring: Malaika Jackson (Sandra Hawke), Shafin Karim (Abdul Nardoc), Josh Pyman (Farzd Qadir), Aiden Stoxx (Young Connor Hawke)
• Written By: Emilio Ortega Aldrich & Elizabeth Kim
• Directed By: Katie Cassidy

• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Star: Echo Kellum (Curtis Holt)
• Guest Starring: Jamie Andrew Cutler (Grant Wilson aka Deathstroke), Venus Terzo (Dr. Elisa Schwartz)
• Co-Starring: Keri Adams (Bethany Snow), Andrew Chin (Perp), Jason Day (Officer), Eliza Faria (Young Zoe), Susan Hanson (Evelyn Fairfield), Bill Morris (Macmillan Fairfield), Kyle Mosonyi (Uniform)
• Written By: Oscar Balderrama & Jeane Wong
• Directed By: Kristin Windell

• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Star: Colton Haynes (Roy Harper aka Arsenal)
• Guest Starring: Audrey Marie Anderson (Lyla Michaels), David Nykl (Anatoly Knyazev), Barry Levy (General Alexi Burov), Yurij Kis (Oleg)
• Co-Starring: Alex Bogomolov (Bratva #1), Uri Burstyn (Russian Bruce Buffer), Romeo Reyes (Manny Jr.), Claire Smithies (Promoter)
• Written By: Benjamin Raab & Deric A. Hughes
• Directed By: Laura Belsey

• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Star: Paul Blackthorne (Detective Quentin Lance)
• Guest Starring: Audrey Marie Anderson (Lyla Michaels)
• Co-Starring: Mike Ennis (Male Party Guest), Naomi Frenette (Server), Matthew Thiessen (Hughes), Bradley Stryker (Vincent), Leana Yu (Laughing Woman)
• Written By: Onalee Hunter Hughes & Maya Houston
• Directed By: David Ramsey

• Special Appearance By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Star: Colton Haynes (Roy Harper aka Arsenal)
• Guest Starring: Audrey Marie Anderson (Lyla Michaels aka Harbinger), Byron Mann (Yao Fei), Sebastian Dunn (Edward Fyers)
• Uncredited: Tom Cavanagh (Harrison Nash Wells)
• Written By: Rebecca Bellotto & Rebecca Rosenberg
• Directed By: James Bamford

• Also Starring: LaMonica Garrett (Mar Novu aka The Monitor / The Anti-Monitor)
• Special Appearances By: Katie Cassidy (Laurel Lance), Jon Cryer (Lex Luthor)
• Special Guest Stars: Grant Gustin (Barry Allen aka The Flash), Caity Lotz (Sara Lance aka White Canary), Brandon Routh (Ray Palmer aka The Atom), Tyler Hoechlin (Clark Kent aka Superman), David Harewood (J'onn J'onzz aka Martian Manhunter), Elizabeth Tulloch (Lois Lane)
• With: Ruby Rose (Kate Kane aka Batwoman)
• And: Melissa Benoist (Kara Danvers aka Supergirl)
• Guest Starring: Osric Chau (Ryan Choi), Stephen Lobo (Jim Corrigan aka The Spectre), Melanie Merkosky (Xneen Novu)
• Special Appearance By: Ezra Miller (Barry Allen aka The Flash)
• Written By: Marv Wolfman & Marc Guggenheim
• Directed By: Glen Winter

• Special Appearances By: Katie Cassidy (Laurel Lance aka Black Siren)
• Guest Starring: Charlie Barnett (Adult John Diggle, Jr.), Andrea Sixtos (Adult Zoe), Raigan Harris (Bianca Bertinelli), Chad Duell (Trevor)
• Co-Starring: Kimi Alexander (Friend), Marcus Aurelio (Bouncer), Navid Charkhi (Bartender), James Drew Dean (Logan Bertinelli), Kevin Hansen (Paparazzi #1), Brad Kelly (Thug), Javier Lacroix (Archibald), Drummond MacDougall (Victor Bertinelli), William Matzhold (Security Guard), Caitlin McCarthy (Paparazzi #3), Camille Mitchell (Maria Bertinelli), Anoop Randhawa (Paparazzi #2), Carolyn Tinglin (Amara Scott)
• Written By: Beth Schwartz & Marc Guggenheim & Jill Blankenship & Oscar Balderrama
• Directed By: Tara Miele

• Special Appearances By: Katie Cassidy (Laurel Lance aka Black Siren)
• Special Guest Stars: Emily Bett Rickards (Felicity Smoak aka Overwatch), Susanna Thompson (Moira Queen), Colton Haynes (Roy Harper aka Arsenal), Echo Kellum (Curtis Holt aka Mr. Terrific), Willa Holland (Thea Queen aka Speedy), Paul Blackthorne (Mayor Quentin Lance)
• And: Caity Lotz (Sara Lance aka White Canary)
• Guest Starring: Audrey Marie Anderson (Lyla Michaels)
• Special Appearances By: Melissa Benoist (Kara Danvers aka Supergirl)
• And: Grant Gustin (Barry Allen aka The Flash)
• Special Guest Stars: Colin Donnell (Tommy Merlyn), Sea Shimooka (Emiko Queen)
• Guest Starring: David Nykl (Anatoly Knyazev), Katrina Law (Nyssa Raatko), Lexa Doig (Talia al Ghul), Joe Dinicol (Rory Regan aka Ragman)
• Co-Starring: Keri Adams (Bethany Snow), Tiahra Allen (Young Sara), Johnny Cuthbert (John Byrne), Marcello Guedes (Young JJ), Jessica Heafey (Ms. Pedowitz), Jack Moore (Young William Clayton)
• Written By: Marc Guggenheim & Beth Schwartz
• Directed By: James Bamford