Batman: The Brave and the Bold: 2x18
Emperor Joker!
Fifth-dimensional fan boy Bat-Mite inadvertently gives Joker his limitless power while hoping to witness a hero-villain showdown.
2 - 1Death Race to Oblivion! Nov. 20, 2009
2 - 2Long Arm of the Law! Dec. 11, 2009
2 - 3Revenge of the Reach! Jan. 02, 2010
2 - 4Aquaman's Outrageous Adventure! Jan. 08, 2010
2 - 5The Golden Age of Justice! Jan. 15, 2010
2 - 6Sidekicks Assemble! Jan. 22, 2010
2 - 7Clash of the Metal Men! Jan. 29, 2010
2 - 8A Bat Divided! Feb. 05, 2010
2 - 9The Super-Batman of Planet X! Feb. 12, 2010
2 - 10The Power of Shazam! Feb. 19, 2010
2 - 11Chill of the Night! Feb. 26, 2010
2 - 12Gorillas in Our Midst! Apr. 16, 2010
2 - 13The Siege of Starro!: Part One Sep. 17, 2010
2 - 14The Siege of Starro!: Part Two Sep. 24, 2010
2 - 15Requiem for a Scarlet Speedster Oct. 01, 2010
2 - 16The Last Patrol! Oct. 08, 2010
2 - 17Menace of the Madniks! Oct. 15, 2010
2 - 18Emperor Joker! Oct. 22, 2010
2 - 19The Criss Cross Conspiracy! Oct. 29, 2010
2 - 20The Plague of the Prototypes! Nov. 05, 2010
2 - 21Cry Freedom Fighters! Nov. 12, 2010
2 - 22The Knights of Tomorrow! Nov. 19, 2010
2 - 23Darkseid Descending! Dec. 03, 2010
2 - 24The Mask of Matches Malone! Dec. 10, 2010
2 - 25Bat-Mite Presents: Batman's Strangest Cases! Mar. 25, 2011
2 - 26The Malicious Mr. Mind! Apr. 01, 2011