Batman, Batgirl and Robin forge an alliance with the Teenage Mutant Ninja Turtles to fight against the Turtles' sworn enemy, The Shredder, who has apparently teamed up with Ra's Al Ghul and The League of Assassins.

Batman teams up with the Scooby gang when villains from both of their worlds unite to wreak havoc on the city. Featuring classic DC villains like the Joker, Catwoman, Harley Quinn and the Riddler alongside heroes like Aquaman, Black Canary, and Plastic Man. Also featuring classic Scooby-Doo villains like the Ghost Clown, Space Kook, and Miner 49er.

The Death of Superman and Reign of the Supermen now presented as an over two-hour unabridged and seamless animated feature. Witness the no-holds-barred battle between the Justice League and an unstoppable alien force known only as Doomsday, a battle that only Superman can finish and will forever change the face of Metropolis.