Legend of the Three Caballeros

Season 1, Episode 10: Mt. Fuji Whiz

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The Caballeros are dead and trapped in the Underworld. As they try to escape, they find Clinton Coot, the one who left them the cabana in his will. He explains the history of the original Caballeros and how he spent his whole life following their exploits, then helps them find a way to return to life while newly-appointed Underworld managers Sheldgoose and Felldrake attempt to stop their escape. As the nieces attempt a seance to contact the Caballeros, Xandra goes to the Underworld herself to rescue them. With her help, the Caballeros return to life on Earth, while Felldrake and Sheldgoose are kicked out of the Underworld for being bad employees.