Cinematic: WWI 2008
From Diablo Wiki
This cinematic movie was produced by the Blizzard Cinematics Department and was the first announcement of Diablo 3. The movie features narration by the NPC Leah, a known associate of Deckard Cain, as she describes the state of the world players will encounter in Diablo 3.
The movie shows various scenes from later cinematics, including flashbacks to Baal's armies and the destruction of the Worldstone, the final event of the Diablo 2 Expansion.
D3 Introduction Cinematic
Visit Blizzard's movies page for links to download this one in higher quality.
The version below is embedded from the Diablo3Inc channel on YouTube.com.
Numerous game features and pieces of content are shown in this cinematic, including the following. Click the links for more details:
Numerous very high quality screenshots from this movie can be seen in the Image Gallery.