The Lurker Below:http://youtube.com/watch?v=GjYkZh8ZRu8

How to Leotheras The blind:http://youtube.com/watch?v=slptKK5ooJE&feature=related

How to Morogrim Tidewalke:http://youtube.com/watch?v=ykALHzn0dKg&feature=related

How to FathomLord Karathess http://youtube.com/watch?v=aQS7O39mIWQ&feature=related

How to Lady Vashj: http://youtube.com/watch?v=9jCOrsbFEoY&feature=related

EZ

On top of watching videos, reading up is good. Here's the best spot to read info on these boss fights! Everything you need to know.

http://www.wowwiki.com/The_Lurker_Below

http://www.wowwiki.com/Hydross_the_Unstable

http://www.wowwiki.com/Morogrim_Tidewalker

http://www.wowwiki.com/Fathom-Lord_Karathress

http://www.wowwiki.com/Leotheras_the_Blind

http://www.wowwiki.com/Lady_Vashj_(tactics)