No need to specify the format. Just recommend any high def contents worth watching, but perhaps are seldom if not never, mentioned in this site.
The Company (KGB vs CIA)
Generation Kill (War in Iraq)
Expert's Guide to G-Spot: Very educational actually. I wish I knew this much about this when I was 18.
House M.D.
When We Left The Earth - The NASA Missions
Mythbusters
John Mayer - Where The Light Is Live in LA
John Adams (just read this miniseries earned 13 Emmys)
UFC
Discovery Channel 100 Greatest Discoveries
War By Ken Burns
The Sarah Connor Chronicles
Judd Apatow Movies
Shinobi
