Season 5

Sep 22, 2007 · 22 min

Batman and Superman find themselves teamed up when Lex Luthor begins his operations in Gotham City to take down his arch-nemesis, employing a horde of the Batman's villains to do so.

Sep 29, 2007 · 22 min

Batman and Robin must battle Superman, who is under Lex Luthor's mind control, as the villain plans to launch a wave of robots and take over the world's armies.

Oct 6, 2007 · 22 min

Batman welcomes another member of the Justice League to Gotham – Green Arrow. The two team up when Vertigo, a villain who can affect people's sense of balance, arrives in the city with a diabolical plan.

Oct 13, 2007 · 22 min

Firefly tries to upgrade his powers with the aid of his new girlfriend Blaze, but is exposed to radioactive phosphorous and takes on a new more dangerous identity as Phosphorus.

Nov 3, 2007 · 22 min

Batman and Robin team up with the Flash to thwart Mirror Master's plans to trap everyone in their own mirror image.

Nov 10, 2007 · 22 min

Gotham citizens are bursting into hysterical laughter and dumping stolen goods into the river, and Batman is soon on the trail of the Joker.

Dec 8, 2007 · 22 min

Nearing defeat by his arch-foe Sinestro, Green Lantern sends his power ring to fellow Justice Leaguer Batman. Unfortunately the ring is instead intercepted by the nefarious Penguin.

Dec 15, 2007 · 22 min

A strange mishap causes the Joker's mind and personality to be downloaded into a computer, enabling him to control the new WayneTech Nanobots. This creates a new and improved body which attempts to destroy Batman, Robin, and the original Joker.

Feb 2, 2008 · 22 min

A trio of college misfits use stolen mutagens from Dr. Kirk Langstrom to transform themselves into animal forms and get revenge on those who have scorned them.

Feb 9, 2008 · 22 min

The Batman meets his opposite in the form of Wrath and his partner Scorn who are helping Joker, Penguin, Killer Croc, and Ventriloquist and Scarface with a job. Batman and Robin must stop their evil counterparts.

Feb 16, 2008 · 22 min

When Black Mask hires Hawkman's arch-nemesis the Shadow Thief to break him out of Arkham and assist in the theft of a meteorite, Batman must team up with fellow Justice League member Hawkman to defeat them.

Mar 8, 2008 · 22 min

When super-powered members of the Justice League begin disappearing one by one, Batman, Robin and Green Arrow must discover the mystery surrounding their disappearance.

Mar 8, 2008 · 22 min

The Joining attempts a second invasion of Earth with the stolen powers of the newly formed Justice League. Only the non-powered heroes Batman and Green Arrow remain to gain back their friends' powers and stand between the Joining and world conquest.