S1 E1 • Man of Tomorrow

It is the 31st century. A group of super heroes called the Legion of Super Heroes travel back in time to recruit earth's greatest super hero, Superman, to help fight the evil of their time. While their intentions were good, good intentions don't always produce good results. Instead of bringing back Superman, they retrieve a young Clark Kent from his farm in Smallville to the future.

Première diffusion : 23 septembre 2006

S1 E2 • Timber Wolf

A scientist asks the Legion to help him capture what he claims is a dangerous creature, but both the creature and the scientist have a dark secret.

Première diffusion : 30 septembre 2006

S1 E3 • Legacy

Superman makes a new friend, Alexis, but his new chum soon becomes obsessive about having Superman as her only friend and not sharing him with anyone else...including the Legion.

Première diffusion : 7 octobre 2006

S1 E4 • Phantoms

Superman accidentally opens a portal to a phantom dimension, unleashing a teenager with powers that match his own who eventually traps the other Legionnaires there.

Première diffusion : 4 novembre 2006

S1 E5 • Champions

Lightning Lad enters the Intergalactic Games and must compete against his greatest rival.

Première diffusion : 11 novembre 2006

S1 E6 • Fear Factory

A Legion team is forced to take refuge in a derelict space station but are separated and begin disappearing one by one.

Première diffusion : 18 novembre 2006

S1 E7 • Brain Drain

Brainiac 5 is forced to get ahead to lead two of his teammates to a planet where the only cure for his faltering IQ can be found.

Première diffusion : 3 février 2007

S1 E8 • Lightning Storm

Lightning Lad resigns from the Legion to join a new team, but soon finds himself caught in a conflict of interest when the two teams end up opposing each other.

Première diffusion : 10 février 2007

S1 E9 • The Substitutes

When the Legion are tied up fighting a horde of creatures consuming the Earth's ionosphere, the rejects from the yearly Legion Auditions are the only ones standing between Earth and total destruction.

Première diffusion : 17 février 2007

S1 E10 • Child's Play

When a young sorcerer comes to Earth and wreaks havoc, particularly on a magic-vulnerable Superman, Phantom Girl must try to convince his elders to reign him in.

Première diffusion : 24 février 2007

S1 E11 • Chain of Command

At a moment of crisis, Cosmic Boy returns to lead the Legion, accompanied by a mysterious new hero.

Première diffusion : 3 mars 2007

S1 E12 • Sundown (1)

The ancient organic weapon known as the Sun-Eater has been unleashed, and it lives up to its name. It heads toward Earth's sun and not even the Legion can stop it.

Première diffusion : 28 avril 2007

S1 E13 • Sundown (2)

The Legion must turn to help from their greatest foes when they are unable to stop the Sun-Eater themselves. Meanwhile, Superman confronts the Sun-Eater's controller but even he may be powerless before the alien.

Première diffusion : 5 mai 2007