• Guest Starring: Jennifer Cheon Garcia (Midnight), Kate Micucci (Tour Guide), Ellexis Wejr (Mallory)
• Co-Starring: Phil LaMarr (Malefic J'onzz), Adam Alghouti (Child), Nitin Prasad (Attendant), Kari Wahlgren (Hope)
• Written By: Derek Simon & Nicki Holcomb
• Directed By: Jesse Warn

• Guest Starring: Ellexis Wejr (Mallory)
• Co-Starring: Phil LaMarr (Malefic J'onzz), Anthony Bolognese (Kid #1), Julia Harnett (Saleswoman), Keira Herron (Kid #2), Sean Hewlett (Franklin), Montserrat Powell (Obsidian Engineer), Kari Wahlgren (Hope)
• Written By: Dana Horgan & Katie Rose Rogers
• Directed By: David McWhirter

• Special Guest Star: Sean Astin (Pete Andrews)
• Guest Starring: Carl Lumbly (M'yrnn J'onzz), Brea St. James (Caroline O'Conner)
• Co-Starring: Marcus Aurelio, Jr. (Martian Child #3), Cassandra Cavalli (Counter Lady), Hunter Dong (Coffee Cart Barista), Ava Frica (Martian Child #4), Marcello Guedes (Young Malefic), Eric Gustafsson (Receptionist), Babak Haleky (Janitor), Sean Hewlett (Franklin), Balinder Johal (Old Lady), Larry MacDonald (Strange Man), Marc-Anthony Massiah (Dr. Andrew Stern), Malcolm Masters (Dr. Niles Jarrod), Ethan Matute (Martian Child #2), Antonio Ndala (Young J'onn), Dominique Robinson (Young Adult Malefic), Sasha Rojen (Martian Child #1)
• Written By: Lindsay Sturman & J. Holtham
• Directed By: Eric Dean Seaton

• Guest Starring: Jalen Thomas Brooks (Simon Kirby), Luisa D'Oliveira (Breathtaker), Patricia Isaac (Agent Igle)
• Co-Starring: Phil LaMarr (Malefic J'onzz), Jerry Bannister (Construction Worker), Ryan Hesp (Agent Sloan), Paul Jarrett (Nelson Stewart), Lorenzo La Rosa (Male Jogger), Larry MacDonald (Strange Man), Kristi McMullan (Female Jogger), Chris Nowland (Grocer), Camille Posadas (Obsidian Woman), Michel Issa Rubio (Doorman)
• Written By: Jay Faerber & Jess Kardos
• Directed By: David McWhirter

• Guest Starring: Phil LaMarr (Malefic J'onzz), Nick Sagar (Russell Rogers aka Rip Roar), Patti Allan (Leviathan Agent), Luisa D'Oliveira (Breathtaker)
• Co-Starring: Paralee Cook (Waterfront Citizen #1), Joshua Mazerolle (Army Guard), Matthew Ip Shaw (Waterfront Citizen #2)
• Written By: Rob Wright & Daniel Beaty
• Directed By: Alysse Leite-Rogers

• Guest Starring: Rahul Kohli (Jack Spheer), Nick Sagar (Russell Rogers aka Rip Roar), Steven Bauer (Bernardo Rojas), Alexa Najera (Young Andrea), Lucy Loken (Young Lena), Patti Allan (Leviathan Agent), Duncan Fraser (Leviathan Messenger)
• Co-Starring: Shawn Ahmed (Aide), Jan Bos (Governor Tom Harper), Miguel Castillo (Guide), Lynn Colliar (Newscaster), Amanda Gray (DEO Agent #2), Samantha Davis (4 Year Old Lena), Arran Henn (Newscaster), Kelvin Lum (DEO Agent #1), Ryan Mah (Officer), Sonia Sunger (News Anchor)
• Written By: Dana Horgan & Nicki Holcomb
• Directed By: Shannon Kohli

• Special Guest Star: Cara Buono (Gamemnae)
• Guest Starring: Carl Lumbly (M'yrnn J'onzz), Phil LaMarr (Malefic J'onzz), Patti Allan (Margot)
• And: Mitch Pileggi (Rama Khan)
• Written By: J. Holtham & Katie Rose Rogers
• Directed By: Andi Armaganian

• Also Starring: LaMonica Garrett (Mar Novu aka The Monitor)
• Special Guest Stars: Jon Cryer (Lex Luthor), Cara Buono (Gamemnae)
• Guest Starring: Phil LaMarr (Malefic J'onzz)
• And: Mitch Pileggi (Rama Khan)
• Co-Starring: Jay Clift (Lead FBI Agent)
• Uncredited: Tom Cavanagh (Harrison Nash Wells)
• Written By: Lindsay Sturman & Jess Kardos
• Directed By: Marcus Stokes

• Also Starring: LaMonica Garrett (Mar Novu aka The Monitor)
• Special Guest Stars: Stephen Amell (Oliver Queen aka Green Arrow), Caity Lotz (Sara Lance aka White Canary), Brandon Routh (Ray Palmer aka The Atom), Tom Cavanagh (Harrison Nash Wells aka Pariah), Katherine McNamara (Mia Smoak aka Blackstar), Tyler Hoechlin (Clark Kent aka Superman), Elizabeth Tulloch (Lois Lane)
• With: Ruby Rose (Kate Kane aka Batwoman)
• And: Grant Gustin (Barry Allen aka The Flash)
• Guest Starring: Erica Durance (Alura Zor-El), Audrey Marie Anderson (Lyla Michaels aka Harbinger), Burt Ward (Dick Grayson of Earth-66), Robert Wuhl (Alexander Knox of Earth-89), Griffin Newman (Trivia Night Host)
• Special Appearance By: Wil Wheaton (Doomsday Protestor)
• Co-Starring: Nickolas Baric (Rabbit #1)
• Uncredited: Alan Ritchson (Hank Hall aka Hawk of Earth-9), Curran Walters (Jason Todd aka Robin of Earth-9), Russell Tovey (Ray Terrill aka The Ray of Earth-X)
• Teleplay By: Derek Simon & Jay Faerber
• Story By: Robert Rovner & Marc Guggenheim
• Directed By: Jesse Warn

• Special Guest Starring: Jon Cryer (Lex Luthor), Cara Buono (Gamemnae), Meaghan Rath (Female Brainiac-5)
• Guest Starring: Brenda Strong (Lillian Luthor), Anjali Jay (Alternate Earth Serena), Rosemary Hochschild (Alternate Earth Vita), Winsome Brown (Alternate Earth Ayala)
• Co-Starring: Keith Dallas (Al / Al #2)
• Teleplay By: Nicki Holcomb & Jen Troy
• Story By: Derek Simon
• Directed By: Tawnia McKiernan

• Special Guest Starring: Jon Cryer (Lex Luthor), Jeremy Jordan (Winslow "Winn" Schott / Toyman)
• Co-Starring: Sarwan Badesha (Onlooker), Brian Dudley (Chester Dunholtz), Kelten Jensen (Guard One)
• Written By: Dana Horgan & Katie Rose Rogers
• Directed By: David Harewood

• Special Guest Starring: Jon Cryer (Lex Luthor), Cara Buono (Gamemnae)
• And: Jeremy Jordan (Winslow "Winn" Schott / Toyman)
• Guest Starring: Henry Czerny (Winslow Schott, Sr. / Toyman), Patti Allan (Margot)
• And: Thomas Lennon (Mr. Mxyzptlk)
• Co-Starring: Lia Lam (DEO Agent)
• Written By: Rob Wright & J. Holtham
• Directed By: Alexis Ostrander

• Special Guest Stars: Chris Wood (Mon-El), Odette Annable (Samantha Arias aka Reign), Sam Witwer (Ben Lockwood aka Agent Liberty)
• And: Jeremy Jordan (Winslow "Winn" Schott)
• Guest Starring: Betty Buckley (Patricia Arias), Robert Baker (Otis Graves), Chad Lowe (Thomas Coville)
• And: Thomas Lennon (Mr. Mxyzptlk)
• Co-Starring: Jeffrey Chivers (Reporter), Toni Nielsen (News Anchor #2), Andre Paul (Security Guard), Angelo Renai (Defense Attorney), Tawny West (News Anchor)
• Teleplay By: Derek Simon & Nicki Holcomb
• Story By: Robert Rovner & Jessica Queller
• Directed By: Jesse Warn

• Special Guest Starring: Jon Cryer (Lex Luthor), Cara Buono (Gamemnae), Meaghan Rath (Female Brainiac-5)
• Guest Starring: Willie Garson (Steve Lomeli), Camille Sullivan (Amy), Donna Benedicto (DEO Agent Reiff)
• Co-Starring: Leslee Achorn (Older Woman), Jason Beaudoin (Dmitry), Sean Hewlett (Franklin), Scott McNeil (Toby), Edwin Perez (Harry), Julia Rekaikyna (Amazonian Warrior), Mélania Solano (Natalia Guzman), Millan Tesfazgi (Scared Employee), Andrew Wheeler (Warden), Brent Zulyniak (Todd Sapphire)
• Teleplay By: Emilio Ortega Aldrich & Chandler Smidt
• Story By: Lindsay Sturman
• Directed By: Gregory Smith

• Guest Starring: Roxy Wood (Yvette), Pierson Fode (Gregory Bauer / Angus), Patti Allan (Margot), Donna Benedicto (DEO Agent Reiff), Jesse Moss (Richard Bates), Anna Van Hooft (Jennifer Bates)
• And: Corbin Bleu (Trevor Crane)
• Co-Starring: Doron Bell (Detective Rivers), Pietra Castro (Kid #1), Keith Dallas (Al Crane), Arran Henn (News Anchor), Tarun Keram (Henry / Man in Tank), Teresa Laverty (Choking Man's Wife), John Michael (Kid #2), Olivia Morandin (Kid #3), Rico Simonini (Frank), Owen Walstrom (Choking Man)
• Written By: Dana Horgan & Jay Faerber
• Directed By: Armen V. Kevorkian

• Special Guest Star: Helen Slater (Eliza Danvers)
• Guest Starring: Olivia Nikkanen (Young Alex), Patti Allan (Margot), Rosemary Hochschild (Vita), Anne Hollister (Tilly / Bonnie), John Murphy (Rock Starman / Derek), Steph Song (VR Supergirl)
• Co-Starring: Jina Anika (NPC-Police Officer), Neetu Garcha (NPC-Reporter), Marc Gaudet (NPC-MAC), Peter Hall (NPC-Abe Lincoln), Arran Henn (Reporter on Monitor)
• Teleplay By: Jess Kardos & Mariko Tamaki
• Story By: Rob Wright
• Directed By: Tawnia McKiernan

• Special Guest Starring: Jon Cryer (Lex Luthor), Cara Buono (Gamemnae)
• Guest Starring: Brenda Strong (Lillian Luthor), Sharon Leal (Megan / M'gann M'orzz), Patti Allan (Margot), Anne Hollister (Tilly / Bonnie), Jesse Moss (Richard Bates), John Murphy (Rock Starman / Derek)
• Co-Starring: Malcolm Masters (Dr. Niles Jarrod), Ryan Mutama (Cop), Simon Webb (Butler)
• Teleplay By: Katie Rose Rogers & Brooke Pohl
• Story By: Lindsay Sturman
• Directed By: Melissa Benoist

• Special Guest Starring: Jon Cryer (Lex Luthor), Sean Astin (Pete Andrews), Cara Buono (Gamemnae)
• Guest Starring: Willie Garson (Steve Lomeli), Sharon Leal (Megan / M'gann M'orzz), Donna Benedicto (DEO Agent Reiff)
• And: Mitch Pileggi (Rama Khan)
• Co-Starring: Dustin Brooks (Stunt Prisoner #1), Demord Dann (Prison Guard), Dave Ferguson (Bearded Prisoner), Michael Jonsson (Klaus)
• Written By: Dana Horgan & J. Holtham
• Directed By: Avi Youabian

• Special Guest Starring: Jon Cryer (Lex Luthor), Cara Buono (Gamemnae), Meaghan Rath (Female Brainiac-5)
• Guest Starring: Brenda Strong (Lillian Luthor), Sharon Leal (Megan / M'gann M'orzz), Lynda Boyd (Eve Teschmacher's Mother)
• And: Mitch Pileggi (Rama Khan)
• Co-Starring: Everett Andres (Young Boy), Sharon Bell (Older Woman)
• Teleplay By: Emilio Ortega Aldrich & Nicki Holcomb
• Story By: Derek Simon
• Directed By: David Harewood