Mysterious characters. Various flash forwards. An unknown source controlling the lives of multiple individuals.

No, we aren't describing Lost.

Instead, we're previewing FlashForward, the new ABC drama that the network hopes will fill the intriguing, suspenseful void left by Lost when that series concludes in May.

FlashForward premieres on September 24. Get excited for it with the following extended trailer:

[video url="http://www.flashforwardfanatic.com/videos/flashforward-trailer/" title="FlashForward Trailer"] [/video]

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.