Since this looks like a request for a community or forum post (like for a media sharing site),
Big Brother Season 16, Episode 45 – The Grand Finale Format: MKV Resolution: 848x480 (480p) Air Date: September 24, 2014 Size: ~400-500 MB (Approx)
If you were looking for something else—like a technical breakdown of that specific file or a discussion about the episode's winner—just let me know!