<P> In "One More Cup," it is revealed that Karl survived and returned where he hooked the whole kingdom on caffeine which was part of his plan . He states he watches King Julien fooling around in the Cove of Wonders instead of following his kingly duties . Karl threw a bag of coffee beans in the ocean and knew that Julien would find it because it has the word "king" on it . The hyper kingdom threw out King Julien, Maurice, and Clover . With the help of Mort (who became intelligent from the coffee), they plan to destroy Karl's coffee supply . They approach to Karl's zeppelin while Smart Mort walks through the fields where he meets jumping rats working there . Karl returns, finding them, and tries to destroy them when the jumping rats break through the door demanding a raise from their boss, even the ones cornering Julien, Maurice, and Clover . Later, Karl surrounds the group and prepares to fire his incinerator at Julien until Smart Mort bites him on the foot . King Julien has the weapon and sees that Karl has Mort in his clutches and says that he has one shot, him or Mort . Julien, having no choice, aims the incinerator at the fields destroying the crops leaving Karl devastated worrying what will Bruce will say when he returns from his vacation . King Julien now aims the laser at Karl who states that it charges . Karl escapes in a hot balloon with Chauncey driving it . Karl vows that he will return and will never stop getting rid of King Julien . </P> <P> In "Are You There Frank? It's Me, Julien," Karl creates a special armor that allows him to pose as Frank the Sky God in order to get the Lemurs to oppose Frank's brother Larry the Volcano God by sacrificing King Julien . With help from Mort operating the Larry armor that Timo built, King Julien repels Karl. in "revenge of the prom" Karl reveals that he was in all of Julien's old high school classes, but Julien never noticed him . </P> <P> In Exiled, Karl unexpectedly saves King Julien and offers to help him take back his kingdom - if only to destroy him later himself . However, King Julien accidentally destroys Karl's super-weapon, the Karl - Star, and they are both captured by Koto . </P> <P> In Season 5, it is revealed Karl's older and domineering brother Bruce has a successful coffee business, and he wants to partner with King Julien - but he ends up buying out Julien and spreading his coffee shops everywhere . Clover and Maurice ally with Karl, who hates his brother for bullying him, and together they ruin his company . At the end it is revealed this was Karl's plan all along, he knew King Julien would cause Bruce's downfall . </P>

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