Bruce Wayne meets Clark Kent for the first time, ditto Batman meeting Superman. In a world that doesn't yet accept its new heroes, Batman and Superman learn to work together the hard way.
YEAR TWO - A TALE OF TWO CITIES
Superman and Batman both patrol the other's city for half the night and their own for the other half.
YEAR THREE - LIGHT IN THE DARKNESS
Clark Kent attempts to write an expose on Arkham.
YEAR FOUR - UNDERWORLDS
Batman heads to Metropolis and helps Superman stop Desaad and Intergang.
YEAR FIVE - A WOMAN'S WORK
Superman and...Batgirl! In the dark canyons of Gotham City, a new warrior has joined the Dark Knight. Now Superman crosses paths with the mysterious Batgirl, as does another costumed denizen of Metropolis: the Thorn! Thorn is obsessed with the Metropolis-based criminal organization called "The 100," and now that cartel is making inroads into Gotham. It's Batman, Batgirl, Superman, and Thorn on a collision course on the streets of Gotham City.
YEAR SIX - THE IMP-POSSIBLE DREAM
The result of some mischief by Mr. Mxyzptlk, the contrast between Batman's efforts to be superhuman with Superman's efforts to be human reveals interesting aspects of the two heroes' costumed identities, as well as their relationships with Robin and Lois Lane. And what does Bat-Mite have to do with all this?
YEAR 7 - A BETTER WORLD
Batman and Superman deliver a baby.
YEAR EIGHT - CAT & MOUSE
YEAR NINE - WHEN IT REIGNS...IT POURS, KNIGHT'S EDGE
Batman meets the "Reign of the Supermen" pretenders (including Superboy) while Superman encounters the "new" Batman aka Azrael.
YEAR 10 - WAR OF THE WORLDS
Huge jailbreaks at Stryker's Island in Metropolis and Arkham Asylum in Gotham City are only the beginning as huge groups of villains gather for war! Even Batman and Superman might not survive without the help of guest stars Superboy, Steel, Nightwing, and Robin. Meanwhile, curious developments come up in the case of Harrison Gray, the man whose death precipitated the yearly meetings between the Man of Steel and the Dark Knight.