A great Utility for Ubuntu / Debian Users. Miro is a free, open source, video player and podcast client It can play almost any video file and offers over 6,000 free internet TV shows and video podcasts. It has a simple user friendly interface. It supports Fullscreen HD Video. The built-in Miro Guide connects you to thousands of free High Definition video shows. Miro downloads video fast and stores it on your local computer. This way You can Record Youtube and Google video. It can Also use for downloading Torrent files.
Best of all, Miro is 100% free and open source, developed by a non-profit organization and volunteers around the world.
For installing Miro
$ sudo apt-get install miro