1. Doug's subtle oral sex innuendo.
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2. The time Roger didn't know about the birds and the bees after his cat gave birth to a litter.
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3. When Doug said "nut suckers" while playing a video game.
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4. When Doug's love for Patty made lava gush.
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5. That time Judy knew gay handkerchief code.
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6. The time Norb's dad told him that he used to hear him "slapping his tail in the bathtub all the time."
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7. When Daffy was looking at a nudie magazine on Tiny Toon Adventures.
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8. When Grandpa Lou rented a movie for the kids...and one for himself.
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9. When Stu made this gesture while explaining that Phil and Lil's dad had gone "male bonding."
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10. When Grandpa Boris got fed up with watching Stu's boring home videos.
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11. When it looked like Tommy was doing something graphic while looking for a screwdriver in his diaper.
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12. When Lil got naked in front of Tommy and he suddenly had questions:
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13. When Lil rummaged through her dad's desk drawer looking for a calculator, but of course there was a Playboy magazine in there.
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14. The Rugrats episode called “Cradle Attraction,” which parodied the movie Fatal Attraction and featured a problematic relationship between Chuckie and a little girl named Megan.
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15. When Helga talked about how Arnold makes her "girlhood" feel.
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16. All the times that Helga's mom was drunk, slurring her words, making "smoothies," falling asleep all over the place, and even doing community service (presumably for a DUI).
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17. The time that Grandpa Phil told Arnold he did drugs back in the day.
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18. When Peter appeared to be eating Joy's ass on Hey Arnold!
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19. The time Arnold blushed at the thought of a threesome.
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20. This creepy sausage sign.
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21. When Grandpa Phil almost told Arnold and Gerald about the time he hooked up with a French woman in a barn.
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22. The time Rocko got a job as a phone sex operator and even provided services to Mrs. Bighead.
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23. Finally, when Rocko went in for an exam and the doctor grabbed his eyeballs as if they were testicles, and even told him to cough.
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