The Joker pulls off a string of key-related pranks throughout Gotham City, then with his magic box, proceeds to snatch a priceless jeweled key right under the noses of Batman and Robin. The... See full summary »



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Episode cast overview:
Madge Blake ...
Mrs. Cooper (credit only)
Christopher Cary ...
Angus Ferguson
Louis Quinn ...
Larry Anthony ...
Larry Burrell ...


The Joker pulls off a string of key-related pranks throughout Gotham City, then with his magic box, proceeds to snatch a priceless jeweled key right under the noses of Batman and Robin. The Dynamic Duo wise up to his ways and thwart him at their next encounter. However, the Joker has more devious plans to do away with them both before his final caper. Written by Twenty Penguins

Plot Summary | Add Synopsis





Release Date:

16 November 1966 (USA)  »

Company Credits

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Technical Specs


Sound Mix:

(RCA Sound Recording)


Aspect Ratio:

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Did You Know?


Louis Quinn, who plays a henchman in this episode and the one that follows, had been a regular on 77 Sunset Strip (1958). Both series were produced by Howie Horwitz. See more »


Chief O'Hara: You still don't think we should call the Caped Crusader?
Commissioner Gordon: When books, records and files are involved, Chief O'Hara, I think that we should try to tackle the problem ourselves, but... when it comes to tampering with the buildings of our fine city...
[turns his head abruptly in the direction of the batphone]
Commissioner Gordon: ... we have no other choice.
See more »


References The Green Hornet (1966) See more »

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User Reviews

Monstrous mountebank full of mad maneuvers
22 May 2016 | by (Youngstown,Ohio) – See all my reviews

"The Impractical Joker" marked the long awaited return of Cesar Romero, not seen since the feature film months earlier, but the script isn't up to the first season standards. Now the Clown Prince of Crime literally has time on his side, beginning a spree of key-related pranks to lure the Dynamic Duo into the open, where he uses his little magic box to hold them spellbound in place to allow him to spirit away the jeweled Key of Kaincardine, belonging to visiting Scot Angus Ferguson (Christopher Cary). Recalling that the hideous harlequin's previous occupation was stage magician, Batman comes up with a solution to its hypnotic effects, but still falls into a trap set with the aid of Joker's vain, fur loving moll Cornelia (Kathy Kersh). Robin gets a wax job makeover, while Batman finds himself in a human key duplicator, about to be latched, bolted, and skeletonized by its cutting effects. Gorgeous Kathy Kersh did not enjoy the success of rival Sharon Tate, but for a time was wed to first Vince Edwards, then Burt Ward himself, divorced by 1969. The Batclimb cameo is from Howard Duff, in his current guise on ABC's FELONY SQUAD, Detective Sgt. Sam Stone, in the first of its three seasons on the air.

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