Opening tomorrow:

"The Twilight Saga: Eclipse": Kristen Stewart, Robert Pattinson and Taylor Lautner return in the third installment of the blockbuster supernatural romance saga. A string of mysterious killings grips Seattle, and Bella, whose high school graduation is fast approaching, is forced to choose between her love for vampire Edward and her friendship with werewolf Jacob. (PG-13)

Opening Thursday:

"The Last Airbender": The hit Nickelodeon animated adventure series comes to life, courtesy director M. Night Shyamalan, as a powerful young warrior learns he is key to restoring balance to his war-torn world. (PG)