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The Laughing Fish 

The Joker starts threatening the patent office staff when they refuse to patent his disfigured fish.


(as Bruce W. Timm)


, (story editor) | 3 more credits »

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Episode cast overview:
Batman (voice)
Commissioner Gordon (voice) (as Bob Hastings)
Rocco (voice)
G. Carl Francis (voice)
The Joker (voice)
Harley Quinn (voice)


The Joker starts threatening the patent office staff when they refuse to patent his disfigured fish.

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TV-PG | See all certifications »


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Release Date:

10 January 1993 (USA)  »

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Did You Know?


References Detective Comics issues 475, "The Laughing Fish" and 476, "The Sign of the Joker," by Steve Englehart, and Batman Comics issue 251, "The Joker's Five-Way Revenge!" by Dennis O'Neil. See more »


When Batman lowers himself into the aquarium through the top window, for some reason his animation cel stays behind that of the window's frame, and then suddenly pops into view in front of it. This makes it look like he phased through the frame. See more »


[watching one of the Joker's fish commercials]
Alfred Pennyworth: This could cause a stampede to pork.
See more »


Featured in Nostalgia Critic: Is This the Best Joker Death? (2017) See more »


Batman Theme
Composed by Danny Elfman
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User Reviews

Lots Of Laughs And Scary Moments
12 January 2008 | by See all my reviews

Thus far, In the handful of episodes that have dealt with "The Joker" (on the DVDs of this animated series), I have yet to see one that wasn't highly entertaining. They are all just terrific, and I'm always glad to see The Joker escape at the end because it tells me we'll keep seeing more of him.

The stories with him always have a ton of laughs, either funny jokes and puns, or sight gags. I just find myself laughing out loud at some of the remarks. Mark Hamill does an excellent job with The Joker's voice, too, as does the villain's female assistant, Arleen Sorkin as "Harley Quinn."

One other thing that's usually in a "Joker" story is some real terror. Most of the story is laughs but you can count on at least one dramatic scene where this sick criminal is sadistic. Here, he has Batman and Harvey Bullock both in a big fish tank with a huge shark that's ready to both of them. The scene is actually scary in a few parts, especially when the Joker puts a lid on the tank and these guys are trapped!

Overall, as mentioned, these "Joker" programs seem to be the consistently best of these episodes in this series.

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