Dipper was reading his journal, while Mabel was watching The Little Mermaid. Mabel, look at this, Dipper said. There's a cool spell here. Wow, what does it do ? Let's find out. Send us to the kingdom of magic story, make it a mystery. ... Just then we were sucked into a portal. I fell into water. I tried to move my legs butI looked down and realized I had a dark blue tail. Wait, where's Mabel ?!