After a week's worth of teasers, Disney has debuted the first full-length trailer for "Alice Through the Looking Glass," featuring Alice's return to a "neglected" Underland to save the Mad Hatter and confront the sinister Time.

Directed by James Bobin, the sequel to Tim Burton’s 2010 blockbuster “Alice in Wonderland” stars Mia Wasikowska, Johnny Depp, Anne Hathaway, Sacha Baron Cohen, Matt Lucas, Stephen Fry, Toby Jones, Alan Rickman, Michael Sheen, Timothy Spall, Paul Whitehouse, Barbara Windsor and Rhys Ifans.

“Alice Through the Looking Glass” opens May 27.

In Disney’s “Alice Through the Looking Glass,” an all-new spectacular adventure featuring the unforgettable characters from Lewis Carroll’s beloved stories, Alice returns to the whimsical world of Underland and travels back in time to save the Mad Hatter. Directed by James Bobin, who brings his own unique vision to the spectacular world Tim Burton created on screen in 2010 with “Alice in Wonderland,” the film is written by Linda Woolverton based on characters created by Lewis Carroll and produced by Joe Roth, Suzanne Todd and Jennifer Todd and Tim Burton with John G. Scotti serving as executive producer. “Alice Through the Looking Glass” reunites the all-star cast from the worldwide blockbuster phenomenon, including: Johnny Depp, Anne Hathaway, Mia Wasikowska and Helena Bonham Carter along with the voices of Alan Rickman, Stephen Fry, Michael Sheen and Timothy Spall. We are also introduced to several new characters: Zanik Hightopp (Rhys Ifans), the Mad Hatter’s father and Time himself (Sacha Baron Cohen), a peculiar creature who is part human, part clock.