Probably in 2D or could be broadcasting in a different form. Curently without glasses, 3D will either look blurry (images offset), 2 distinct side by side images, or 2 distinct top and bottom images. Right now there are no 3D TVs available that don't require either active or passive glasses. Don't look for them any time soon in the home market, either.
The present technology being researched that does not use 3D glasses is primarily for single viewer applications. The latest 3D Sony camcorder uses a glasses free small screen. It works well but is restricted to a very small sweet spot to see the 3D. Larger screens for laptops look OK for 2 people viewing but the 3D effect still suffers a very small sweet spot.