Ever since the Titans' final confrontation with Slade, Robin has been haunted by one question: Is Slade really gone? And after Cinderblock escapes from jail, Robin finally gets his answer when he sees Slade. Robin pursues Slade, fiercely determined to stop his nemesis once and for all.

The stars are aligned. The sun is in eclipse. All of Slade's labors are about to reach fruition -- and the Titans are about to face their greatest challenge ever. But is there really any hope of preventing the end of the world?

All seems lost for young heroes across the globe: they have been spread far and wide, their lines of communication have been severed, and one by one, the Brotherhood of Evil takes them down. But as The Brain claims his victory is assured, one brave hero manages to slip thorough the Brotherhood of Evil's grasp: Beast Boy.

The Titans can’t find a trace of Robin and start getting worried - that is, until they catch him red handed robbing a facility as Slade’s apprentice. After being defeated by Robin, the Titans are sure he has become a criminal. In truth, the life of a villain comes at an even more bitter price for Robin himself.

Terra finds out that the Titans are not easily destroyed, when they come back and nearly defeat her. Slade sends Ternion (a combination of Overload, Plasmus, and Cinderblock) while he beats Terra up for running away. When the Titans see how sorry Terra is and the torture Slade is doing to her, will they forgive her? Or will they follow out with their plans and destroy her?

It's Raven's birthday, but she is far from wanting to celebrate. But before Robin can learn why, the Titans receive a distress call and go to check it out. When they get there, they are greeted by none other than Slade, back from the dead. But Slade seems to have new powers along with a strange red mark on his head and he has a message for Raven that he is going to deliver, no matter what.

Robin, Starfire, Cyborg, and Beast Boy awake to a nightmare. Trigon has risen and he has ended the world. Every building is destroyed, and all life has been turned to stone. Due to one last gift of Raven's, the Titans have survived. Now, they must find a way to get Raven back, maybe she knows of a way to stop Trigon. But to do this, the Titans will have to accept help from their old enemy - Slade.

Terra returns with a vengeance, Meanwhile, Slade gives orders to Cinderblock, Overload, and Plasmus to launch a series of sinister strikes all over the city. Can our heroes stop the three villianous monsters, Slade, and Terra? Or will the Teen Titans be destroyed?

The day has finally come. Raven is destined to end the world on this day. Trigon will come by sunset. But not if the Titans have anything to say about it. They place Raven in a safe room while they take on an army of flame creatures and Slade who is determind to take Raven to the Trigon. But Raven knows the horrible truth. No matter what the Titans do, there is no escaping her destiny.

Slade threatens to use a chronoton detonator, a device which can destroy the entire city if triggered. While Robin goes after Slade, the other Titans try to disarm the detonator. But then it turns out that Slade has other aims in mind than the destruction of the city.

Starfire is trying to commemorate the Tamaranean holiday Blorthog, the festival of friendship, when Warp, a villain from the future, comes back in time to steal an antique. When Starfire charges at him, she finds herself stranded in the future and finds that much has changed for her friends ... and only for the worse.

Terra and Beast Boy are finally kicking up a notch when they go out on a date. But while they were out, someone let Slade's army into Titans Tower. But when Beast Boy and Terra just about kiss, Slade ruins the romance. Slade lets out the news that Terra is his apprentice, making for a very unhappy Beast Boy. Finally, he turns his back on Terra, letting her go with Slade.

Ever since Slade's return, the Titans have been searching high and low for answers, including looking for theories as to the 'S' mark on his forehead. However, Raven knows why he's back, and the Titans are about to discover the truth themselves after Slade launches another attack.

How did Robin meet Starfire? What was Beast Boy's first joke? Why did Cyborg build his Sonic Cannon? When did Raven first call the Titans her friends? Return to the very beginning and see how it all started - from the word ""GO!""

The final game has begun. While the Titans are spread out throughout the globe on one last mission, Brotherhood mastermind, the Brain, makes his move. Robin has a strategy of his own, but as all the villains begin taking down all the superheroes all at once, will it be enough to save his friends?

A thief called Red X, who knows the Titans’ every weakness, shows up. Every time the Titans try to catch him, they are badly defeated. Meanwhile, Robin - who has been obsessed with capturing Slade - isolates himself more and more from the team.

Raven's creepy tantrum of crackling black energy leaves Dr. Light begging for mercy, and the Titans see a new side of Raven, her temper. But, when Cyborg and Beast Boy find a Mysterious Mirror in Raven's room, they're suddenly transported to a strange nightmare world that's somehow connected to Raven.

There's a new thief in town - Robin's former evil alter ego, Red X. Robin feels that this is all his fault, and must stop X from getting a dangerous powerful chemical known as synovium that will power him up. Robin stops at nothing to catch his former evil alter ego - but it turns out that there may be a even bigger villianious plot in the mists.

With Titans dispatched across the globe, members of the HIVE FIVE figure they have it made. Unfortunately their city-wide crime spree is cut short when a new hero in town spoils the fun. Handing him over to the BROTHERHOOD OF EVIL may score the Hive Five points, but actually catching this lightning-fast do-gooder is much harder than it seems.

The Titans spot a young girl being chased by a giant scorpion-like creature and prepare to rescue her, only to see that the girl possesses tremendous powers and was merely luring the scorpion into a trap. She reveals her name to be Terra, and she has the power to control the earth and all of its forms. However, she has a terrible secret, and Slade shows interest in her.

The Titans pick up a horror movie called Wicked Scary. After watching it, they are scared out of their wits, although Raven refuses to admit this to the others. During the night, strange things start to happen in the Tower.

Control Freak has escaped from prison and brought the Titans into his TV world. The Titans must track him down through the diffrent channels of television while he gets more powerful with all the TV show related powers he gets.

When Robin is defeated by the malicious martial artist Kitarou, our hero decides that if he wants to be the best -- he needs more training. So he embarks on a difficult quest to seek a mysterious, legendary teacher known only as... The True Master.

Terra is ready to join the team after getting the chance to practice her powers, However, other members of the team wonder if they have made a huge mistake. Raven doesn't want Terra back. Can Terra prove to the team that she can be trusted with her powers?

This episode shows Robin wanting to be a big shot winner. When he, Cyborg, and Beast Boy are transported to another land, along with Gizmo, Wildebeest, Hot Spot, Aqualad, and Speedy, Robin finally has his chance. As the players battle, The Master of Games takes the losers powers. It will take Robin to figure out Winning isn't everything to save the day