Season One
101. "Man Of Tomorrow"
First aired: 23 September 2006
Synopsis: When fearsome villains called the Fatal Five set their sights on the newly formed Legion of Super-Heroes, three of the Legion's members go back in time to recruit the greatest hero of all. However, instead of retrieving the adult Superman, they find a young Clark Kent on his farm in Smallville.
102. "Timber Wolf"
First aired: 30 September 2006
Synopsis: 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.
103. "Legacy"
First aired: 07 October 2006
Synopsis: Superman saves the life of Alexis, one of the wealthiest people in the galaxy. They become fast friends, but when the hero's Legion responsibilities get in the way, Alexis decides he doesn’t want to share the hero with anyone else.
104. "Fear Factory"
First aired: TBA
Synopsis: During a cosmic storm, a team of Legionnaires is forced to take refuge on a derelict space station. They soon become separated and begin disappearing one-by-one.
105. "Champions"
First aired: TBA
Synopsis: While Lighting Lad competes in the Galactic Games, Superman and Phantom Girl uncover a sinister plot by the Fatal Five. Unfortunately, Lighting Lad has troubles of his own when he finds his biggest competitor is someone close to him.
106. "Phantoms"
First aired: TBA
Synopsis: When Superman accidentally opens a gateway to a phantom dimension, a young man with powers identical to his is freed. Superman must not only stop this destructive stranger, but also rescue the Legionaires when they become trapped in the visitor's dimension.
107. "Child's Play"
First aired: TBA
Synopsis: When a young sorcerer arrives on Earth and begins wreaking havoc, Phantom Girl must travel to the sorcerer's world to ask for help. While trying to stop the troublesome menace, Superman learns of his vulnerability to magic.
108. "Lightning Storm"
First aired: TBA
Synopsis: Lightning Lad resigns from the Legion, accepting an invitation to join a new team. He soon finds himself caught in a conflict of interest when the two groups end up opposing each other, and must decide once and for all where his loyalties lie.
109. "Brain Drain"
First aired: TBA
Synopsis: 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. However, thanks to a transporter accident, they have only Brainy's head to guide them.
110. "The Substitutes"
First aired: TBA
Synopsis: When the Legionnaires are overwhelmed fighting a mysterious foe, the rejects from the yearly Legion Auditions are the only ones standing between Earth and total destruction.
111. "Chain Of Command"
First aired: TBA
Synopsis: When disaster strikes Lighting Lad's home planet of Winath, the Legion is called to help. Lighting Lad's efforts to take charge are thwarted when the long-absent Legion leader, Cosmic Boy, arrives accompanied by an enigmatic new hero.
112. "Sundown, Part 1"
First aired: TBA
Synopsis: An ancient living weapon known as the Sun-Eater has been unleashed. The Legion mounts a heroic defense, but the entity proves too powerful. The unstoppable Sun-Eater sets its sights on Earth's sun.
113. "Sundown, Part 2"
First aired: TBA
Synopsis: With the Sun-Eater on a direct course for Earth's sun, the Legion has no choice but to turn to their greatest foes for help. Meanwhile, Superman finds and confronts the alien controlling the creature. The Legionnaires may succeed in stopping the Sun-Eater, but at what cost?