VLC Media Player
Get the best possible picture and sound quality, every time
Excellent file format support
Expandable via extensions
Can download subtitles
Without a doubt, VLC Media Player is one of the finest free video players ever created. Its file format support is second to none, it's available for just about every platform imaginable, it's skinnable, and offers support for extensions. The program can be used to playback local videos or DVDs, or to stream content from the web and the interface can be tweaked and customized to make it as simple or as packed with buttons and controls as you like.
As well as basic playback, VLC Media Player also include audio and video filters so you can tinker with the look and sound of your files for the best possible performance. There's also a handy synchronization function that makes it easy to line up audio and video that is out of sync.
VLC Media Player not only supports subtitles, but also includes a tool for downloading subtitles from the internet from within the player. Throw in an impressive collection of skins and extensions, and you have a killer video player on your hands.
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You mean to watch videos with?
I prefer VLC media player. It works well for me.
personally i prefer mac blu-ray player and it is great you can try it. http://www.blurayplayermac.com/mac-blu-ray-player.htm
VLC will play just about anything - audio, video or DVD.
vlc is the best :)