Have you seen any kids show of the 80s or 90s? Hell even the 70s had some raunchiness, dirty jokes and adult humor to them. A few main culprits would be Animaniacs, Looney Toons, Tiny Toons, or Ren and Stimpy. THOSE were the golden years of kids shows. Nowadays you can't even get away with stuff like that because censorship is so overworked in everything so even like one pixel of cleavage on a girl or even alot of makeup or something that means a different definition in like Klingon language could get you sued.