After years of waiting, Samurai Jack finally got the ending that many thought would never come. Now that the story has concluded, let's look back at how the final season pulled off such a strong finish despite a some pacing issues towards the end. Warning: full spoilers ahead! Moving to Adult Swim gave Genndy Tartakovsky and his gifted team the license to take Samurai Jack in a more mature direction, and aging up the content to better align with the tastes of its now-adult audience proved to be a master stroke.