Elroy's Mob

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Elroy's Mob
Network ABC
Premiere date March 17, 1963
Starring George O'Hanlon
Penny Singleton
Daws Butler
Janet Waldo
Don Messick
Shepard Menken
Alan Reed
Mel Blanc
Music composed by Hoyt Curtin
Writer(s) Barry E. Blitzer
Director(s) William Hanna
Voice director(s) Joseph Barbera
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Title card
TJ 124 title card.png

"Elroy's Mob" is the twenty-fourth and final episode of The Jetsons season one. It aired on March 17, 1963 on ABC. It was written by Barry E. Blitzer, and produced and directed by William Hanna and Joseph Barbera, the creators of the series and the founders of Hanna-Barbera Productions.

Elroy brings home the wrong report card by mistake, angering his father, which causes Elroy to run away with Astro. They then get mixed up with three criminals.

Detailed summary

Memorable quotes


Character debut Speaking debut Ep. debut No lines Mentioned

In order of appearance:

Character Actor
Elroy Jetson Daws Butler
Jane Jetson Penny Singleton
Ricky Rocket Don Messick
Judy Jetson Janet Waldo
George Jetson George O'Hanlon
Astro Don Messick
Miss Brainmocker Janet Waldo
Kenny Countdown Daws Butler
Fred Flintstone Alan Reed
Barney Rubble Mel Blanc
Mr. Countdown Unavailable
Police officer #1 Don Messick
Police officer #2 Unavailable
Muggsy Megaton Shepard Menken
Microbe Shepard Menken
Chuckles Unavailable
Police sergeant Don Messick
Police artist Unavailable
Chet Sprinkley Unavailable
Cameraman Unavailable





  • Flying cars





When The Jetsons originally aired, no title cards were present. They were only added when the series was revived in 1985, and the original episodes were given title cards for consistency when they were all packaged together for The Funtastic World of Hanna-Barbera. Notably, they all include Orbitty, who wasn't in the original series.


The music was composed and conducted by Hoyt Curtin.


Dates are in order of release:

Behind the scenes

  • This is the last episode to be produced and aired in the 1960s. This would have been the final episode of the series, had it not been revived in syndication, roughly twenty years later.
    • Also, it took twenty-four episodes for Little Dipper School to be seen in an episode (outside of the opening credits). Had it not been for the revival, this would have been the only appearance. Orbit High School was not seen in season one, outside of the opening credits, and was properly introduced in the season two episode "Judy's Birthday Surprise."
  • Kenny is watching "The Swimming Pool" episode of The Flintstones.


Critical reception

In other languages

Language Name Meaning
Japanese エルロイ坊やの反抗 Elroy Boy's Rebellion

Home availability