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A Legendary Tail/Project BRAIN is the 64th and penultimate episode of the Pinky and the Brain spin-off series and the 6th episode of the show's 4th season. It originally aired on September 28, 1998. Both cartoons in this episode are animated by Rough Draft.

A Legendary Tail[]

Legendary tail title


The Brain generates a tall-tale about himself to make him seem like a folk-hero in the eyes of the public. The folk-tale chronicles the adventures of Big Johnny Brain Jones Peachpit Bill Boon Crockett and his sidekick Little Pinky Flea Pie Waffle Shoe Clamhead Chris, as they set-out to achieve fame for their heroism.




  • Brain's plan in this episode utilizes computer-generated writing to complete his tall tale, which ultimately proves to be its downfall as the computer-generated writing is too logical to complete a coherent story. 24 years since this episode's debut, AI-generated writing has become more common, with programs such as ChatGPT being able to generate entire stories. These programs have come under criticisms for flawed, overly-logical writing (much like Brain's tall tale), as well as enforcing the threat of displacing actual human writers.
  • A scene of Pinky observing Brain typing has become a popular internet GIF.
  • The ending chorus calls Brain "Big Johnny Brain Jones Peachpit Bill Boone Crockett" after his tall tale.


Project B.R.A.I.N.[]

Project brain title


Pinky and the Brain recount on the day they met and why Brain wants to take over the world.



  • This episode is one of many interpretations on Pinky and the Brain's origin story and as a result, it contains contrasting details with other episodes about their origins.
  • The date on the camera is 9-9-1995, the exact day the first episode, "Das Mouse", aired.
  • The final "Pinky and the Brain" episode to be animated by Rough Draft Studios, Inc., in broadcast/release order (not counting their work on the other series Pinky, Elmyra and the Brain).
  • Items in the "Menagerie of Failure" include:
  • After the ending chorus, Brain is heard shouting, "Pinky, let me out of here!".


Production Notes[]

  • This is the penultimate episode of the Pinky and the Brain spin-off series (in broadcast/release order); as well as the final episode of this series to feature the traditional incarnations of Acme Labs and the show's intro. Barring the occasional reference in Elmyra, Wakko's Wish and some video game appearances; ACME Labs would not return in its traditional form in a Pinky and the Brain-related TV series until the 2020 Animaniacs reboot.


  • "Rock a Bye Baby"
  • "Twinkle Twinkle Little Star"


Voice Actors: Character(s):
Rob Paulsen Pinky, Additional Voices
Maurice LaMarche The Brain, Additional Voices
Brian Mitchell Big Jimmy Fruithead
Frank Welker Dirt Townsman
Tress MacNeille Townswoman, Additional Voices
Steve Bernstein Chorus Member #3

List of Pinky and the Brain episodes
Season 1
Das MouseOf Mouse And ManTokyo Grows / That Smarts / BrainstemPinky and the Fog / Where No Mouse Has Gone Before / Cheese Roll CallBrainaniaTV or Not TVNapoleon BrainaparteA Pinky and the Brain ChristmasSnowballAround the World in 80 NarfsFlyAmbulatory Abe / Mouse of La ManchaThe Third Mouse / The Visit
Season 2
It's Only A Paper WorldCollect 'em All / PinkassoPlan Brain From Outer SpaceThe Pink CandidateBrain's SongWelcome to the JungleA Little Off the Top / Megalomaniacs AnonymousThe Mummy / Robin BrainTwo Mice and a Baby / The MazeBrain of the FutureBrinkyHoop Schemes
Season 3
Leave it to Beavers / CinebrainiaBrain NoirPinky and the Brain... And Larry / Where the Deer and the Mousealopes PlayBrain's Bogie / Say What, EarthMy Feldmans, My FriendsAll You Need Is Narf / Pinky's PlanCold Open- A New Direction / This Old MouseBrain StormA Meticulous Analysis of History / Funny, You Don't Look RhennishThe Pinky ProtocolMice Don't Dance / Brain DrainedBrain AcresPinky and the Brainmaker / Calvin BrainPinky Suavo / T.H.E.YThe Real LifeBrain's WayA Pinky and the Brain HalloweenBrainy JackLeggo My Ego / Big in JapanBut That's Not All, Folks!Operation Sea Lion / You Said a MousefulThe Tailor and the Mice / Bah, WildernessPinky at the Bat / Schpiel-borg 2000Broadway MaladyThe Megalomaniacal Adventures of Brainie the Poo / The Melancholy BrainInherit the WheezeBrain's Night Off / Beach Blanket BrainThe Family That Poits Together, Narfs TogetherPinky's Turn / Your Friend: Global DominationYou'll Never Eat Food Pellets In This Town AgainDangerous BrainsWhat Ever Happened to Baby Brain / Just Say NarfThe Pinky P.O.V. / The Really Great Dictator / Brain Food
Season 4

(Part 1 - Brain, Brain, Go AwayPart 2 - I Am Not a HatPart 3 - Wash Harder)
To Russia With Lab Mice / Hickory Dickory BonkThe Pinky and the Brain Reunion SpecialA Legendary Tail / Project B.R.A.I.N.
The Ultimate Animaniacs Super Special: (Star Warners)