Why I recommend this video: Follow up from 1x10, great tips and tricks to make your Japanese sound better then before. If for nothing else there are a few phrases in this episode that are worth their weight in gold. Bust one of them out on your friends and they'll never look at you again (I mean look at you with the same eyes again).
Why I recommend this video: Fluent or not, these little tricks are downright devious. Sound better then you already do in Japanese, and, they won't even know you're bluffing.
Works especially well with your nomitomadachi.