No. You'll only get the 3D experience from your TV when playing movies that have been created specially in 3D. True stereoscopic 3D must be created from the outset using two separate images, one for the left eye and one for the right.
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Having said that, existing 2D movies can be 're-mixed' into a pseudo-3D format, adding some sense of depth to scenes - sometimes quite successfully.
Some recent 3D releases, including Clash Of The Titans, have been shot in 2D and then retrospectively converted so that they could be shown at cinemas in 3D.
James Cameron is planning to re-mix his 1997 Oscar winner Titanic into what he calls "2.8D", ready for release in cinemas during spring 2012.