Use the Vigenère cipher to decode the message! They key word is somewhere in the animation, try to find it! When you are done decoding type "BQQCZRK" in the chat. "BQQCZRK" is also a code! The key word is "comment"! To help you you can use this link: https://gravityfalls.fandom.com/wiki/List_of_cryptograms/Books
@fishey2001 for the animation