References in kids media to horror or adult media
Both Arthur and Powerpuff Girls have visually referenced South Park, while the drug manufacturers in Zootopia reference Breaking Bad (bonus points if you knew their names were Woolter and Jesse)
Steven Universe references Amigara Fault, while Primos (it's a Disney channel show, I haven't heard of it either) references SCP-5675
Conversely, in an episode of House MD, the titular Dr. Gregory House references Pokemon lore.
Think you meant “Arthur”, not “Archer”. I was confused for a minute lol.