I swear I didn’t want to know there was Hutt content of this: http://starwars.wikia.com/wiki/Pornography
Also I find funny how the Holiday special’s recycled footage led to this: https://starwars.fandom.com/wiki/Unidentified_Moradmin_Bast_look-alike
There is also the literal easter eggs: https://starwars.fandom.com/wiki/Easter_egg
And the most helpful article ever written: https://starwars.fandom.com/wiki/Greeper