The time is finally here! Summit has released the first full-length teaser trailer from the hugely anticipated third chapter in Stephenie Meyer's vampire romance The Twilight Saga: Eclipse. Featuring all-new footage and a never before seen confrontation between Jacob and Edward for Bella's affections, this ninety-second stretch of film is sure to get your heart racing. To watch the trailer, click on the video clip below:

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CLICK HERE to check out loads of hi-res stills from the film.

Directed by David Slade, written by Melissa Rosenberg, and starring Kristen Stewart, Robert Pattinson, Taylor Lautner, Ashley Greene, Peter Facinelli, Elizabeth Reaser, Kellan Lutz, Nikki Reed, Jackson Rathbone, Billy Burke, Bryce Dallas Howard, Xavier Samuel, Catalina Sandino Moreno, Jack Huston, Julia Jones, BooBoo Stewart, Jodelle Ferland, and Kirsten Prout, The Twilight Saga: Eclipse arrives in theaters this summer on June 30th, 2010.

In The Twilight Saga: Eclipse, Bella once again finds herself surrounded by danger as Seattle is ravaged by a string of mysterious killings and a malicious vampire continues her quest for revenge. In the midst of it all, she is forced to choose between Edward and Jacob - knowing that her decision has the potential to ignite the struggle between vampire and werewolf. With her graduation quickly approaching, Bella is confronted with the most important decision of her life.