Kristen Schaal credited as playing...
Mabel Pines
- Dipper Pines: Everyone stay quiet.
- Mabel Pines: Oh, now you're worried about the monster! I thought all you cared about was Wendy.
- Dipper Pines: Mabel, you know that's not true. just - I felt like I was getting a little too old to go trick-or-treating.
- Mabel Pines: That's exactly why we need to go trick-or-treating, Dipper. We're getting older. There's not that many Halloweens left.
- Mabel Pines: [Gasps] I guess I didn't realize it was already our last one.