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The Legend of Brainy Yak

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The Legend of Brainy Yak


UK Airdate
November 6, 2007
Production code
Directed by
Charlie Bean
Script/Written by
Bob Camp, Robert Mittenthal and Michael Rubiner
Previous Episode
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Main Villain(s)

"The Legend of Brainy Yak" is the 64th episode of the series and the 6th(b) of Season 3 of Robotboy. In this episode, Professor Moshimo tells the story about an old animal friend of him called Brian, a yak from his childhood whom he made him smarter.




  • This is Brainy Yak's (aka Brian) debut episode and shows how his grudge with Moshimo began.
  • Donnie is seen paying Brian for test answers,
  • Donnie also attends the same school as Tommy and his friends. He possibly skips a lot, which is why we don't see him there at all and why he gets home before Tommy as well..
  • It's also revealed that Donnie is in high school, so he's around 14-15 years old.
  • Kurt and Stu make a cameo teasing Brian, calling him "Bubble-Brain".
  • Brian is very close to his mother, Moonglow, as seen when he sadly watches her sleep before he runs away.
  • Moshimo is able to lift heavy objects, seen when he's lifting a barbel before Brian texted him.
  • The website on which Brian places his resume is called "Badspace", a possible reference to Facebook and Myspace.
  • General Yakitori and Felonious Hexx can be seen off to the side next to Brian's profile.
  • This is the first episode Dave the Badger shows up in.
  • Dave might be another genetic experiment of Moshimo's.
  • Robotboy repeats a line he said in "Six-Million Euro Man", where he told Affenkugel, "No hurt Tommy!". Only in this episode he says, "No hurt Moshimo!".
  • This is the first and only time Robotboy deactivates himself with the watch.
  • The line of people for Brian's game booth includes:

In other languages

Int. Language Int. Title Translation
Dutch De legende van Brian Koe The Legend of Brian Cow
French La légende du Yak surdoué The Legend of the Gifted Yak
German Die Legende vom Superhirn The legend of the super brain
Spanish la leyenda de Brainy-Yak The legend of Brainy-Yak


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