List of cryptograms

Here is a list of cryptograms from the Gravity Falls episodes. In each episode during the credits their is a cryptogram.

Tourist Trapped
During the end credits of this episode, there was a cryptogram that read "ZHOFRPH WR JUDYLWB IDOOV." Once decoded, it reads "WELCOME TO GRAVITY FALLS."

The Legend of the Gobblewonker
During the end credits of this episode, there was a cryptogram that read " QHAW ZHHN: UHWXUQ WR EXWW LVODQG ." Once decoded, it reads " NEXT WEEK: RETURN TO BUTT ISLAND ."