via press release:
DIPPER, MABEL AND GRUNKLE STAN TO RETURN
FOR MORE WEIRD AND WONDERFUL ADVENTURES AS
DISNEY CHANNEL ORDERS SECOND SEASON OF "GRAVITY FALLS"
A second season of the hit Disney Channel series "Gravity Falls" has been ordered, it was announced today by Eric Coleman, Senior Vice President, Original Series, Disney Television Animation. The animated comedy, created and executive-produced by Alex Hirsch, follows twin brother and sister Dipper (voiced by Jason Ritter) and Mabel Pines (voiced by Kristen Schaal) as they spend summer with their eccentric great uncle Stan (voiced by Hirsch), in the wondrous town of Gravity Falls. The series' growing fan base looks for the unique "secret message" at the end of each episode's credits. The key for decoding the message is incorporated in various episodes.
In making the announcement, Coleman said, "'Gravity Falls' is mystery, comedy and weird all rolled into one unique show – there is nothing else like it. Alex Hirsch and his team have crafted a show with memorable characters, multi-layered stories, and production values that are rarely seen in television animation."