"Dreamscapers" is the nineteenth episode of the first season in the animated series Gravity Falls. The episode is the first of the two-part season finale, the second being "Gideon Rises". It was first broadcast on July 12, 2013, on the Disney Channel. It was written by series creator Alex Hirsch, alongside Matt Chapman and Tim McKeon, and directed by Joe Pitt and John Aoshima. It marks the first appearance of Bill Cipher. This episode was watched by 2.7 million viewers on its premiere broadcast on the Disney Channel, and received generally positive reviews from television critics.