The Ultimate Solvers in Gravity Falls/Scooby-Doo Meets Ike and Squeaky/Mittens vs. Link/Speedy Blue Dog Loves Agent Xero

The Ultimate Solvers in Gravity Falls/Scooby-Doo Meets Ike and Squeaky/Mittens vs. Link/Speedy Blue Dog Loves Agent Xero  is the thirteenth episode of YouTube-A-Rama.