On today's airing of 'The Oprah Winfrey Show,' Dakota Fanning introduced the 'The Twilight Saga: Eclipse' trailer.

Opening in theaters and IMAX on June 30, the third film of the franchise, which follows 'Twilight' and 'New Moon,' stars Robert Pattinson, Kristen Stewart, Taylor Lautner, Bryce Dallas Howard, Elizabeth Reaser, Jodelle Ferland, Nikki Reed, Catalina Sandino Moreno, Billy Burke, Kellan Lutz, Peter Facinelli, Jackson Rathbone, Ashley Greene, Jack Huston, Xavier Samuel and BooBoo Stewart.

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