Joker (DCAU) has appeared 5 times in indexed Justice League stories.
| Appeared As | Appeared In | Notes | Portrayed by | |
|---|---|---|---|---|
| 610 | Villains | Superman TAS 2x10 "World’s Finest Part One" | Batman's arch-enemy. Batman's shut down his Gotham City operations leaving him short on money. Steals the Laughing Dragon (solid kryptonite) from Gotham City and takes it to Metropolis in an attempt to get Lex Luthor to pay him for killing Superman. | Mark Hamill |
| 611 | Villains | Superman TAS 2x11 "World’s Finest Part Two" | Batman's arch-enemy. Kidnaps Lois Lane as bait to lure Superman into his trap, but his attempt is foiled by Batman's interference. He escapes and still has half the kryptonite to try again. The Joker bargains with Lex Luthor to kill Batman as well and borrows a robot build by Lexcorp and Wayne Tech. | Mark Hamill |
| 612 | Villains | Superman TAS 2x12 "World’s Finest Part Three" | Batman's arch-enemy. Is being paid by Lex Luthor to kill Superman and the Batman. He attempts to kill the Batman using one of the robots developed by Lex Luthor and Bruce Wayne. He then steals Lex Luthor's bomber after Luthor tries to double cross him. Appears to die in a crashing/exploding Lexcorp bomber. | Mark Hamill |
| 1108 | Villains | Justice League 1x8 "Injustice For All Part One" | Batman's arch-enemy. He invites himself into Lex Luthor's super villain group and helps them capture the Batman. | Mark Hamill |
| 1109 | Villains | Justice League 1x9 "Injustice For All Part Two" | Batman's arch-enemy. Luthor refuses to leave the Joker alone with the captive Batman. | Mark Hamill |