Click on an episode title to find summaries and information about each individual show. Check out the glossary for quick stats definitions, and if you have any information, opinions, or images to add, make sure to use the forum, or contact us!
Heroes: Characters that are major players in the episode, the plot revolves around these characters.
Villains: Usually the opposition to the Heroes, but more often than not, the plot also revolves around these characters at times.
Supporting: Secondary Characters that appear, but have smaller parts than starring characters.
Try Outs: Secondary Characters that appear, but have smaller parts than starring characters.
Beasts: Beasts that appear, have smaller parts than villains.
Objects: Non-characters that appear.
Places: Places visited by characters or mentioned.
Written By: Lists which staff members were credited with writing the episode.
Directed By: Lists which staff member was credited for directing the episode.
Season One (2006-2007)
Episode 1: Man of Tomorrow
When fearsome villains called the Fatal Five set their sights on the newly formed Legion of Superheroes, three of the Legion's members go back in time to get help from the greatest hero of all time: Superman. Instead, they find Clark Kent, aware of his powers but not yet of his grand destiny.
Episode 2: Timber Wolf
A mysterious scientist asks the Legion to help capture a dangerous creature. They succeed, only to discover the creature is nowhere near as dangerous as the scientist, himself.
Episode 3 : Legacy
Superman unknowingly saves the life of Alexis, one of the wealthiest people in the galaxy. Alexis and Superman become fast friends, but when Superman's Legion responsibilities get in the way of their friendship, Alexis decides to do something about it...
Episode 4: Fear Factory
During a cosmic storm, the team takes refuge in a creepy, derelict space station. On board, one-by-one, each Legionnaire faces his or her deepest fear -- and then disappears.
Episode 5: Champions
While supporting Lightning Lad as he competes in the challenging Galactic Games, Superman and Phantom Girl uncover a sinister plot by the Fatal Five! Lightning Lad has troubles of his own when he finds his biggest competition from someone close to him.
Episode 6: Phantoms
When Superman accidentally opens a gateway to a phantom dimension, a young man with powers identical to his is freed in the process. Now Superman must not only stop this destructive visitor, but also rescue the Legionnaires when they become trapped in the visitor's dimension.
Episode 7: Child's Play
A young sorceror arrives on Earth and causes a heap of trouble. In an effort to send him home, Superman learns of his vulnerability to magic, while Phantom Girl puts her diplomatic skills to the test as she travels to the sorceror's secretive world to ask for help.
Episode 8: Lightning Storm
Much to the Legion's disappointment, Lightning Lad accepts an invitation to join an older, "cooler" team. Once there, however, Lightning Lad realizes these new heroes aren't exactly what they seem. Now, caught between the Legion and his new friends, Lightning Lad must decide once and for all where his loyalties lie.
Episode 9: Brain Drain
A major malfunction sends Brainiac 5's genius IQ plummeting. To obtain the rare element needed to save him, Superman and Timber Wolf must travel to the most inhospitable planet in the galaxy -- and thanks to a transporter accident, they have only Brainy's head to guide them.
Episode 10: The Substitutes
It's that time of year again -- Legion Auditions! This year's crop is hardly promising, with most hopefuls turning out to be comic duds. But when the Legion is overwhelmed fighting a mysterious foe in Earth's upper atmosphere, a group of rejects takes it upon themselves to save the world below...with outrageous results.
Episode 11: Chain of Command
When disaster strikes Lightning Lad's home planet of Winath, the Legion is called to help. Lightning Lad's efforts to take charge are thwarted however when the long-absent Legion leader Cosmic Boy arrives with an enigmatic new hero in tow.
Episode 12: Sundown Part One
The Legion is put to the ultimate test when an ancient weapon known as a Sun Eater comes to life. The Legion mounts a heroic defense, but the Sun Eater proves too powerful. Now at full-strength, the unstoppable Sun Eater sets its sights on Earth...
Episode 13: Sundown Part Two
With the Sun Eater on a direct course for Earth's sun, the Legion has no choice but to ask bitter enemies for help to stop it. Superman meanwhile has his toughest battle yet when he discovers the stealthy alien controlling the sinister machine. In the end, the Legion triumphs...but at a terrible cost.
Season Two (2007-2008)
Episode 14: The Man from the Edge of Tomorrow
A 41st century Superman clone, Kell-El, travels to the Legion's time and needs the group's help against the intergalactic menace of Imperiex.
Episode 15: The Man from the Edge of Tomorrow Part Two
Imperiex begins his conquest of the 31st century by freeing the Legion's greatest enemies from prison. The team must look to Superman in the 21st century for help, and Superman comes to the future only to meet his 41st century clone, Kell-El.
Episode 16: Cry Wolf
After being convicted for a deadly attack on his father, Timber Wolf must escape Legion custody and track down the real assassin, while being both hunted and aided by various teammates. It's up to Chameleon Boy and Phantom Girl to help Timber Wolf clear his name and discover the truth.
Episode 17: Chained Lightning
Lightning Lad discovers that his sister, Ayla, long thought to be lost in the same Lightning Beast attack that gave him and his brother, Mekt, their powers, is really alive. However, Ayla is now in the form of pure electromagnetic energy. Lightning Lad must find a way to save Alya before Imperiex can harness this energy for his own diabolical use.
Episode 18: Karate Kid
When the dreaded Legion Auditions produce just one potential new member, Nemesis Kid, Superman goes out recruiting, and finds an unlikely candidate to join the Legion. A perpetual underdog, Karate Kid has no super powers, which goes against Legion membership rules, but Superman believes he has the heart to join the Legion. As the Legion hunts down Grimbor the Chainsman, Karate Kid believes he can be an asset, while the others worry he is only putting himself in harm's way.
Episode 19: Who Am I?
In order to infiltrate Imperiex's ranks, the Legion decide to have Chameleon Boy take the form of the villain Persuader. But in order to make the disguise complete, they must also reprogram Chameleon Boy's mind so that he believes that he actually is Persuader. Things go terribly wrong when his Legion teammates are unable to make Chameleon Boy remember who he really is.
Episode 20: Unnatural Alliances
When Terra Man, a villain from the future, arrives in the 31st century to hunt down a child, the Legion quickly acts to save the boy and keep him clear of Imperiex's obvious plot. But after Imperiex proves to be the boy's protector, the Legion must uncover why.
Episode 21: Message in a Bottle
Superman and the Legion must venture into the legendary bottled city of Kandor in order to stop Imperiex, who seeks an advanced Kryptonian technology believed to be hidden inside.
Episode 22: In the Beginning
While on a mission to rescue the Legion's benefactor, R.J. Brande, our heroes find themselves reminiscing about how the Legion was first created by Brande and its founding members: Cosmic Boy, Lightning Lad and Saturn Girl.
Episode 23: Trials
The evil sorcerer Mordru has attacked the magical planet of Zarok, forcing the young and immature wizard Zyx to turn to the Legion for help. While the Legion battles Mordru, Zyx must restore his own powers by passing a series of trials designed to prove his worth as a wizard. He'll have Kell-El along to assist.
Episode 24: In Your Dreams
With the power to see the future in her dreams, Dream Girl warns the Legion of attacks by the criminal organization The Dark Circle aimed to take down the United Planets. However, Lightning Lad wonders if Dream Girl or her visions can be trusted.
Episode 25: Dark Victory
As Imperiex sets in motion one final assault designed to bring him control of the galaxy, Brainiac 5 must fight for control of himself as the ancient programming of Brainiac 1.0 emerges.
Episode 26: Dark Victory Part Two