And the best part is, it's all so wonderfully subtle. The FOX anchorman gives a "next, a seal attack scares local swimmer" teaser after reporting on another Bluth disaster, for instance. And he says it way too early in the season for anybody to have realized it was important. When Buster finds his old big red hand chair in Lupe's house (the maid had always been taking stuff from Lucille on the sly) he marvels "Gee, I never thought I'd ever miss a hand so much!" Both those lines sound like throwaway gags on first viewing. But no.
At the same time, the show intentionally overplays the "Could Oscar be Buster's father?" foreshadowing to the point of ludicrousness. It's all a brilliant mix. We won't even begin to get into the "loose seal" pun, either.
I do consider AD to have been one of the best written television shows ever but the more I watch, the more I really believe it.