The International 2011

Teams
Note:
 * Storm Games Clan replaced StarsBoBa.
 * Virus Gaming replaced LGD Gaming.

Archive
In addition to streaming the matches live, Valve set up a youtube channel that contains video replays of all matches after the group stages, including the commentaries for all languages available during the live streams. These replays can be accessed at the following sites:
 * http://www.dota2.com/tournaments/international/results
 * http://www.youtube.com/user/dota2
 * http://u.youku.com/user_show/id_UMzY0MTc0MzE2.html

The replays from The International also available in-game, allowing you to take advantage of the various spectating features, whilst still being able to listen to the commentaries made during the live casts.

Group C
Note: MeetYourMakers and  Moscow Five qualified ahead of  MiTH-Trust due to superior time ranking.

Trivia

 * At the time, The International had the biggest prize ever awarded in the history of eSports, with a total prize pool of $1.6 million USD.
 * In addition to this, The International also had the largest number of concurrent viewers than has been seen in any other tournament to this date, with over 1.5 million people watching the opening rounds, a large number of these viewing from China.