Enjoy and buy it!: http://www.amazon.com/Shark-Week-Steel-Collection-Blu-ray/dp/B003E1QDJO
Sample: No
Screens: Yes,in the torrent file for each episode in case
Product Details:

Actors: Discovery Channel
Directors: Discovery Channel
Format: Widescreen
Language: English
Region: Region 1 (U.S. and Canada only. Read more about DVD formats.)
Aspect Ratio: 1.33:1
Number of discs: 2
Rated: PG (Parental Guidance Suggested) 
Studio: Discovery - Gaiam
DVD Release Date: July 13, 2010

Editorial Reviews
Product Description
Unravel the secrets of the ocean's deadliest and most fascinating creature in these hit Discovery Channel specials that have captivated fans for more than 20 years. Includes 8 Episodes. 

DISC ONE: 
 Blood in the Water
 Deadly Waters
 Day of the Shark
DISC TWO: 
 Shark Bite Summer
 Great White Appetite
 Shark After Dark
BONUS EPISODES: 
 Cash Cab: Shark Week Edition(I didn't rip this because it has no connection with sharks,some guys get in a taxi bla bla..)
 Shark Under Glass

All episodes have English Imperial Hearing subtitles original from blu-ray.
Original source: Shark Week Jaws of Steel Collection 2005-2009 2-Disc Edition Blu-ray 1080i AVC DD5 1 ~tshgas~(60GB)
All thanks goes to ~tshgas~ for puting these sources on IPT community:D