If you happen to have an account for the US iTunes store, you can get some free HD episodes:

• He That Believeth in Me – Battlestar Galactica, Season 4
• Fun Runs, Pts. 1 & 2 – The Office, Season 4
• Lipstick Jungle: Pilot – Lipstick Jungle, Season 1
• Four Months Later… – Heroes, Season 2
• Pilot – In Plain Sight, Season 1
• Mr. Monk Buys a House – Monk, Season 7
• Ghosts – Psych, Season 3
• Merit Badge: Pilot – Life, Season 1
• Bad to the Drone – Eureka, Season 3

The other free stuff can, as always, be found over here in the iTunes store

via tuaw