WEBSITES THAT OFFER  FREE SOUNDS

http://www.stonewashed.net/sfx.html

This website has by far the best directory of sites offering free sounds. It has links to websites with specific sound files that you can download. Many of the sites offer sound files not only for noises but for tv or movie lines where some of the best known characters speak out.

http://www.stonewashed.net/movie.html  

http://www.freesoundfiles.tintagel.net/Audio/index.shtml

This one has an index for many different sounds to download.
For example , you can download sounds for different animals.

http://www.moviesoundclips.net/

One of the best.

http://www.moviesoundclips.net/movies.php  
Here you will find sound files for movies of different lenghts.
http://www.moviesoundclips.net/tv.php  
Here the same for tv series and most files come with the transcript.