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 / Bruce Wayne (voice)
Detective Harvey Bullock / Rocco (voice)
G. Carl Francis (voice)


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

Plot Summary | Add Synopsis

Plot Keywords:

vest | shark | poison | geek | fishing pole | See All (10) »


TV-PG | See all certifications »


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Release Date:

10 January 1993 (USA)  »

Company Credits

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Technical Specs


(85 episodes)

Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The box the joker grabs a wrench from says "binford tool" the fictional company in Tim Allen's show home improvement 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 »


[on TV Harley stands in the kitchen wearing a "kiss the cook" apron. The Joker's men are made up as young children]
Harley Quinn: They're finny and funny and oh so delish. They're joyful and jolly. Jokerfish!
The Joker: Say, Mom, wondering what to feed the family tonight?
Harley Quinn: What'll I feed the family tonight?
[the Joker enters wearing a raincoat and hat. He looks like an old sea captain]
The Joker: Arr! Try me famous Joker fish. There's Smiling Smelt, Giggling Grouper and Happy Haddock.
Alfred Pennyworth: [Watching with Batman] This could cause a ...
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References Batman (1989) See more »


Batman The Animated Series
Written by Danny Elfman & Shirley Walker
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User Reviews

Lots Of Laughs And Scary Moments
12 January 2008 | by (United States) – 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.

7 of 9 people found this review helpful.  Was this review helpful to you?

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