Install Ubuntu TV from a PPA [How To]
|Ubuntu TV can already be compiled – instructions available on the Ubuntu wiki, and using those instructions, you can run it without installing it, which is actually the best way to do it (since it doesn’t replace Unity 2D), but if you don’t like to compile stuff, you can use a test PPA I’ve created for Ubuntu 11.10 Oneiric Ocelot.
Source: here