Gravity Falls , it ' s a Disney show that had a large mystery element throughout its run . If you take a look at some of the analysts that did videos on the show , they ' ll point out a crap ton of blinkandyou ' llmissit hints and shout outs in the background . The messages at the end of the episode during the second season need a filter code word that ' s hidden in the background of the episode , sometimes on screen for only a few frames . I never found one on my own . <| sep |> Well , obviously you ' re very stubborn in this belief though I still disagree , but even if he were speaking in a french accent I still don ' t think that ' s particularly damaging to a performance . Dick van Dyke has the single worst accent I ' ve ever heard in Mary Poppins , but I still wouldn ' t want anybody else to play Bert because an accent is not a performance .