You are going to Watch Gravity Falls Episode 1 online free episodes with HQ / high quality. Stream cartoons Gravity Falls Episode 1 Online Tourist Trapped.12 year old Dipper and Mabel Pines arrive to spend their summer break with their Great Uncle Stan, aka Grunkle Stan, in the remote town of Gravity Falls. Dipper finds a mysterious Volume 3 book explaining the supernatural side of Gravity Falls, Oregon which comes in handy when Mabel’s new boyfriend “Norman” turns out to be of the supernatural variety. Although Dipper initially suspects him to be a zombie, Norman reveals to Mabel he is actually being operated by a bunch of gnomes (leaded by Jeff) in search of a queen. All of the gnomes gather to form a monster, which is defeated by Mabel.