Move the Netflix Windows 8 App (and any other MetroUI application) to your second monitor.
You can use these basic Win 8 keyboard shortcuts to toggle which monitor Netflix appears on…
Windows Key + PgUp (Move Tiles to the Left)
Windows Key + PgDown (Move Tiles to the Right)
Easy as pie!
If this little tip has helped you, please share\tweet this and mention me (@alanhart)