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Appearances
Batman
Guest cast, played by Cesar Romero
- Episode 1x05: The Joker is Wild (1) (Jan 26, 1966)
- Episode 1x06: Batman is Riled (2) (Jan 27, 1966)
- Episode 1x15: The Joker Goes to School (1) (Mar 2, 1966)
- Episode 1x16: He Meets His Match, the Grisly Ghoul (2) (Mar 3, 1966)
- Episode 1x25: The Joker Trumps an Ace (1) (Apr 6, 1966)
- Episode 1x26: Batman Sets the Pace (2) (Apr 7, 1966)
- Episode S01 Special: Batman: The Movie (Jul 30, 1966)
- Episode 2x21: The Impractical Joker (1) (Nov 16, 1966)
- Episode 2x22: The Joker's Provokers (2) (Nov 17, 1966)
- Episode 2x37: The Zodiac Crimes (1) (Jan 11, 1967)
- Episode 2x38: The Joker's Hard Times (2) (Jan 12, 1967)
- Episode 2x39: The Penguin Declines (3) (Jan 18, 1967)
- Episode 2x47: The Joker's Last Laugh (1) (Feb 15, 1967)
- Episode 2x48: The Joker's Epitaph (2) (Feb 16, 1967)
- Episode 2x57: Pop Goes the Joker (1) (Mar 22, 1967)
- Episode 2x58: Flop Goes the Joker (2) (Mar 23, 1967)
- Episode 3x09: How to Hatch a Dinosaur (2) (Nov 9, 1967)
- Episode 3x10: Surf's Up! Joker's Under! (Nov 16, 1967)
- Episode 3x15: The Ogg Couple (Dec 21, 1967)
- Episode 3x16: The Funny Feline Felonies (1) (Dec 28, 1967)
- Episode 3x17: The Joke's on Catwoman (2) (Jan 4, 1968)
- Episode 3x23: I'll Be a Mummy's Uncle (Feb 22, 1968)
- Episode 3x24: The Joker's Flying Saucer (Feb 29, 1968)
Guest cast, played by Jeff Bergman
- Episode S03 Special: Batman: Return of the Caped Crusaders (Oct 10, 2016)