Was there an adult joke or pop culture reference that went over your head in a show you liked as a kid?

I was watching the Rugrats “Home Movies” episode and one of the characters made a phone call to Dr. Kervorkian ( an infamous doctor who did assisted s*icides) while they were watching boring home movies.

Was there an adult joke or pop culture reference that went over your head in a show you liked as a kid?
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