Gravity Falls: The Thousand Year Door

Gravity Falls: The Thousand Year Door is a Japanese-American Anime series. It began August 9, 2014 in every region of the world and has continued since then. Currently 2 seasons have been made with the series already renewed for a third.

The series premiered on Toonami, the Saturday nighttime block after Adult Swim on Cartoon Network.

Series Overview
The series is a crossover of the animated show Gravity Falls and the video game Paper Mario: The Thousand Year Door. It follows the main characters of Dipper Pines and Pacifica Northwest as they arrive in the Mushroom Kingdom through a strange pipe found in the Forest. They team up with Mario and a goomba girl named Goombella to find their friends and uncover the Crystal Stars to open the Thousand Year Door.

Episodes
Currently 25 episodes have been made running along the course of 2 seasons. The first three episodes were considered a three part series premier and are not part of the first season.

Each season has a different opening theme and ending theme.

Three Part Series Premier
The first three episodes aired on August 7, 8, and 9 respectively, and the following episodes aired on Saturdays at 3:30 AM.

The Opening theme for these episodes is "Complication" by the Japanese band ROOKiEZ Is Punked.

The Ending theme for these episodes is "Bakusou Yumeuta" by the Japanese band Diggy-MO'.

Season 1: Castle And Dragon
Season Opening Theme: "S.O.W. Sense Of Wonder" by the Japanese band Idoling!!!.

Season Ending Theme: "Northern Lights" by the Japanese band HOW MERRY MERRY.

This season is 10 episodes long, bringing the total episode count from 3 to 13.

Season 2: The Great Boggly Tree
Season Opening Theme: "TBA" by TBA

Season Ending Theme: "TBA" by TBA

This season is 12 episodes long, bringing the total episode count from 13 to 25.

Season 3: Of Glitz And Glory
Season 3 has yet to air, but is set to run toward the end of 2014.

Awards
The entire first season won 3 Japanese awards called the ファンの世界 awards in mid September 2014. The second season was nominated for 2 ファンの世界 awards but only won one of them.