Teenage superheroes strive to prove themselves as members of the Justice League.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Independence Day | 2010-11-26 | 30 min |
| Season 1 | Episode 2 | Fireworks | 2010-11-26 | 30 min |
| Season 1 | Episode 3 | Welcome to Happy Harbor | 2011-01-21 | 30 min |
| Season 1 | Episode 4 | Drop-Zone | 2011-01-28 | 30 min |
| Season 1 | Episode 5 | Schooled | 2011-02-04 | 30 min |
| Season 1 | Episode 6 | Infiltrator | 2011-02-11 | 30 min |
| Season 1 | Episode 7 | Denial | 2011-02-18 | 30 min |
| Season 1 | Episode 8 | Downtime | 2011-03-04 | 30 min |
| Season 1 | Episode 9 | Bereft | 2011-03-11 | 30 min |
| Season 1 | Episode 10 | Targets | 2011-09-16 | 30 min |
| Season 1 | Episode 11 | Terrors | 2011-09-23 | 30 min |
| Season 1 | Episode 12 | Homefront | 2011-09-30 | 30 min |
| Season 1 | Episode 13 | Alpha Male | 2011-10-07 | 30 min |
| Season 1 | Episode 14 | Revelation | 2011-10-14 | 30 min |
| Season 1 | Episode 15 | Humanity | 2011-10-21 | 30 min |
| Season 1 | Episode 16 | Failsafe | 2011-11-04 | 30 min |
| Season 1 | Episode 17 | Disordered | 2011-11-11 | 30 min |
| Season 1 | Episode 18 | Secrets | 2011-11-18 | 30 min |
| Season 1 | Episode 19 | Misplaced | 2012-03-03 | 30 min |
| Season 1 | Episode 20 | Coldhearted | 2012-03-10 | 30 min |
| Season 1 | Episode 21 | Image | 2012-03-17 | 30 min |
| Season 1 | Episode 22 | Agendas | 2012-03-24 | 30 min |
| Season 1 | Episode 23 | Insecurity | 2012-03-31 | 30 min |
| Season 1 | Episode 24 | Performance | 2012-04-07 | 30 min |
| Season 1 | Episode 25 | Usual Suspects | 2012-04-14 | 30 min |
| Season 1 | Episode 26 | Auld Acquaintance | 2012-04-21 | 30 min |
| Season 2 | Episode 1 | Happy New Year | 2012-04-28 | 30 min |
| Season 2 | Episode 2 | Earthlings | 2012-05-05 | 30 min |
| Season 2 | Episode 3 | Alienated | 2012-05-12 | 30 min |
| Season 2 | Episode 4 | Salvage | 2012-05-19 | 30 min |
| Season 2 | Episode 5 | Beneath | 2012-05-26 | 30 min |
| Season 2 | Episode 6 | Bloodlines | 2012-06-02 | 30 min |
| Season 2 | Episode 7 | Depths | 2012-06-09 | 30 min |
| Season 2 | Episode 8 | Satisfaction | 2012-09-29 | 30 min |
| Season 2 | Episode 9 | Darkest | 2012-10-06 | 30 min |
| Season 2 | Episode 10 | Before the Dawn | 2013-01-05 | 30 min |
| Season 2 | Episode 11 | Cornered | 2013-01-12 | 30 min |
| Season 2 | Episode 12 | True Colors | 2013-01-19 | 30 min |
| Season 2 | Episode 13 | The Fix | 2013-01-26 | 30 min |
| Season 2 | Episode 14 | Runaways | 2013-02-02 | 30 min |
| Season 2 | Episode 15 | War | 2013-02-09 | 30 min |
| Season 2 | Episode 16 | Complications | 2013-02-16 | 30 min |
| Season 2 | Episode 17 | The Hunt | 2013-02-23 | 30 min |
| Season 2 | Episode 18 | Intervention | 2013-03-02 | 30 min |
| Season 2 | Episode 19 | Summit | 2013-03-09 | 30 min |
| Season 2 | Episode 20 | Endgame | 2013-03-16 | 30 min |
| Season 3 | Episode 1 | Princes All | 2019-01-04 | 30 min |
| Season 3 | Episode 2 | Royal We | 2019-01-04 | 30 min |
| Season 3 | Episode 3 | Eminent Threat | 2019-01-04 | 30 min |
| Season 3 | Episode 4 | Private Security | 2019-01-11 | 30 min |
| Season 3 | Episode 5 | Away Mission | 2019-01-11 | 30 min |
| Season 3 | Episode 6 | Rescue Op | 2019-01-11 | 30 min |
| Season 3 | Episode 7 | Evolution | 2019-01-18 | 30 min |
| Season 3 | Episode 8 | Triptych | 2019-01-18 | 30 min |
| Season 3 | Episode 9 | Home Fires | 2019-01-18 | 30 min |
| Season 3 | Episode 10 | Exceptional Human Beings | 2019-01-25 | 30 min |
| Season 3 | Episode 11 | Another Freak | 2019-01-25 | 30 min |
| Season 3 | Episode 12 | Nightmare Monkeys | 2019-01-25 | 30 min |
| Season 3 | Episode 13 | True Heroes | 2019-01-25 | 30 min |
| Season 3 | Episode 14 | Influence | 2019-07-02 | 24 min |
| Season 3 | Episode 15 | Leverage | 2019-07-02 | 22 min |
| Season 3 | Episode 16 | Illusion of Control | 2019-07-02 | 23 min |
| Season 3 | Episode 17 | First Impression | 2019-07-09 | 30 min |
| Season 3 | Episode 18 | Early Warning | 2019-07-16 | 30 min |
| Season 3 | Episode 19 | Elder Wisdom | 2019-07-23 | 24 min |
| Season 3 | Episode 20 | Quiet Conversations | 2019-07-30 | 30 min |
| Season 3 | Episode 21 | Unknown Factors | 2019-08-06 | 24 min |
| Season 3 | Episode 22 | Antisocial Pathologies | 2019-08-13 | 24 min |
| Season 3 | Episode 23 | Terminus | 2019-08-20 | 23 min |
| Season 3 | Episode 24 | Into the Breach | 2019-08-27 | 30 min |
| Season 3 | Episode 25 | Overwhelmed | 2019-08-27 | 24 min |
| Season 3 | Episode 26 | Nevermore | 2019-08-27 | 26 min |
| Season 4 | Episode 1 | Inhospitable | 2021-10-16 | 30 min |
| Season 4 | Episode 2 | Needful | 2021-10-16 | 30 min |
| Season 4 | Episode 3 | Volatile | 2021-10-21 | 30 min |
| Season 4 | Episode 4 | Involuntary | 2021-10-28 | 30 min |
| Season 4 | Episode 5 | Tale of Two Sisters | 2021-11-04 | 30 min |
| Season 4 | Episode 6 | Artemis Through the Looking-Glass | 2021-11-11 | 30 min |
| Season 4 | Episode 7 | The Lady, or the Tigress? | 2021-11-18 | 30 min |
| Season 4 | Episode 8 | I Know Why the Caged Cat Sings | 2021-11-25 | 30 min |
| Season 4 | Episode 9 | Odnu! | 2021-12-02 | 30 min |
| Season 4 | Episode 10 | Nomed Esir! | 2021-12-09 | 30 min |
| Season 4 | Episode 11 | Teg Ydaer! | 2021-12-16 | 30 min |
| Season 4 | Episode 12 | Og Htrof Dna Reuqnoc! | 2021-12-23 | 30 min |
| Season 4 | Episode 13 | Kaerb Ym Traeh! | 2021-12-30 | 30 min |
| Season 4 | Episode 14 | Nautical Twilight | 2022-03-31 | 30 min |
| Season 4 | Episode 15 | Ebb Tide | 2022-03-31 | 30 min |
| Season 4 | Episode 16 | Emergency Dive | 2022-03-31 | 30 min |
| Season 4 | Episode 17 | Leviathan Wakes | 2022-04-07 | 30 min |
| Season 4 | Episode 18 | Beyond the Grip of the Gods! | 2022-04-14 | 30 min |
| Season 4 | Episode 19 | Encounter Upon the Razor's Edge! | 2022-04-21 | 30 min |
| Season 4 | Episode 20 | Forbidden Secrets of Civilizations Past | 2022-04-28 | 30 min |
| Season 4 | Episode 21 | Odyssey of Death! | 2022-05-05 | 30 min |
| Season 4 | Episode 22 | Rescue and Search | 2022-05-12 | 30 min |
| Season 4 | Episode 23 | Ego and Superego | 2022-05-19 | 30 min |
| Season 4 | Episode 24 | Zenith and Abyss | 2022-05-26 | 30 min |
| Season 4 | Episode 25 | Over and Out | 2022-06-02 | 30 min |
| Season 4 | Episode 26 | Death and Rebirth | 2022-06-09 | 30 min |
| Production | Greg Weisman | Executive Producer |
| Production | Brandon Vietti | Executive Producer |
| Production | John Roback | Line Producer |
| Production | Cali D. Abenido | Production Manager |
| Production | Jorge Luis Gonzalez | Assistant Production Manager |
| Production | Andrea Bajandas | Assistant Production Manager |
| Production | Vanessa Branch | Assistant Production Manager |
| Production | Cole Crawford Rothacker | Assistant Production Manager |
| Art | Brian Johnson | Art Direction |
| Visual Effects | Dou Hong | Modelling Supervisor |
| Visual Effects | Austin Reinkens | Character Designer |
| Visual Effects | Pamela Long | Color Designer |
| Art | Alex Dilts | Background Designer |
| Art | Jeff Purves | Background Designer |
| Art | Brenna Kraus | Graphic Designer |
| Art | Brenna Kraus | Title Designer |
| Production | Kip Brown | Post Producer |
| Crew | Rebecca Sands Coutts | Post-Production Manager |
| Crew | Marissa Llano | Post-Production Manager |
| Editing | Michele Beeson | Assistant Editor |
| Production | Agnes Kim | Casting |
| Production | Liz Marshall | Production Supervisor |
| Art | Youa Vang | Other |
| Art | Todd Gibbs | Other |
| Art | Richard Ziehler-Martin | Other |
| Art | Christopher Jones | Other |
| Art | Yujin Lee | Other |
| Production | Yadira Davis | Production Accountant |
| Production | Sarah Noonan | Casting |
| Crew | Matthew Girardi | Visual Effects Art Director |
| Art | Damon Moran | Prop Designer |
| Editing | Darren Griffiths | Online Editor |
| Sound | David M. Cowan | Dialogue Editor |
| Sound | David M. Cowan | ADR Editor |
| Sound | Kelly Ann Foley | Dialogue Editor |
| Sound | Kelly Ann Foley | ADR Editor |
| Sound | John F. Reynolds | Dialogue Editor |
| Sound | John F. Reynolds | ADR Editor |
| Editing | Harrison T. Barth | Assistant Editor |
| Editing | Gabriel Gianola | Assistant Editor |
| Production | Greg Emerson | Other |
| Visual Effects | Jerome K. Moore | Character Designer |
| Production | Maral Simonian | Production Accountant |
| Art | Eugene Mattos | Prop Designer |
| Sound | Mark A. Keatts | Supervising Dialogue Editor |
| Sound | Mark A. Keatts | Supervising ADR Editor |
| Sound | Patrick J. Foley | Dialogue Editor |
| Sound | Patrick J. Foley | ADR Editor |
| Sound | Michael Garcia | Dialogue Editor |
| Sound | Michael Garcia | ADR Editor |
| Production | Athena Wingate | Production Accountant |
| Production | Sam Register | Executive Producer |
| Sound | Kristopher Carter | Original Music Composer |
| Sound | Michael McCuistion | Original Music Composer |
| Sound | Lolita Ritmanis | Original Music Composer |
| Production | Bobbie Page | Production Supervisor |
| Production | Ed Adams | Production Manager |
| Production | Jay Bastian | Executive In Charge Of Production |
| Production | Brian E.S. Jones | Executive In Charge Of Production |
| Production | Jamie Thomason | Casting |
| Production | Jamie Thomason | Other |
| Production | Liz Carroll | Administration |
