Un crossover que esta formado por varios cartoon,los principales son los personajes de Gravity falls,en donde estos gemelos junto a sus dos armas,Bill y Will tendrán que detener a los terribles monstruos,brujas y por ultimo a los 7 pecados capitales. Mentiras,secretos y perdidas es lo que les pasara a los Pines. Ninguna cartoon me pertenece.

When the Destiny's Bounty flies through a mysterious portal in the sky of Ninjago and end up in the woods of Gravity Falls, the Pines twins are the ones to find it. With the ninja aboard, who knows what hijinks the group can get up to?

The journal imparts the power of Spinjutsu...And with it Dipper and his friends will have the fight of their life!

When a device I have created opens a dimensional portal from different dimensions, there's no telling what'll happen to our universe! Read this and see what will happen to our beloved home and our endangered chances!

Sensei decided that the ninja stay with his old friend in Gravity Falls.But when Gideon discovers that the ninja's powers are stronger than he thinks,he now wants to drain their powers!With Dipper and Mabel's Help can they stop his plan?Lame summary right?