The Attack of the Loch Ness Monster

The Attack of the Loch Ness Monster is the third episode of the animated sequel television series Back to Gravity Falls.

Plot
Dipper and the gang go to the dark ocean to find the loch ness monster along with the journal. When the Loch Ness Monster appears roaring in the ocean, Dipper and the gang catch the monster in the net and return it home.

Cast
Jason Ritter as Dipper Pines

Kristen Schaal as Mabel Pines

Alex Hirsch as Grunkle Stan, Soos Ramirez and others

Linda Cardellini as Wendy Corduroy

J.K. Simmons as Stanford "Ford" Pines

Frank Welker as the Loch Ness Monster

Roger Craig Smith as Ranger Dan

Grey DeLisle as Ranger Kayla

and more!