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"FlashForward" has been compared over and over again to the uber-successful "Lost." But producers David S. Goyer and Marc Guggenheim told SFX Magazine that there's one major difference between the two shows and it's a pretty basic one.

“We pitched [ABC] a fairly excessive plan,” said Goyer, who became a household name among genre fans for his work on films like "Batman Begins" and "The Dark Knight" sequel. “I mean, we know exactly the shot that season one ends on. They obviously said this resembles 'Lost' in that it’s a really cool script, but [they asked], ‘Do you have any idea where it goes?"

The answer is yes.

Don't worry, never-resolved questions aren't intended for this show, so current fans of "Lost" and those that may have stepped out a few seasons ago shouldn't rule "FlashForward" out just because it's got a pretty big mystery at its core, Goyer said.

Goyer claims to know where the first season ends, and all the way unto the series finale, which will be a long time in the future if everything goes according to plan.

“In success, [the show] can go seven years. In less success, it would need to go three years to work." Guggenheim said. "The end game of the show, to be properly done, really requires two full seasons focusing on the end game.”

The series premiere of "FlashForward" earned a 7.7 rating/13 share, according to Fast National ratings from The Nielsen Co., making it the week's top network genre program, but still finishing in the middle of ABC's programming pack, which combined to earn an 8.8/14 last week and reign as the most watched network.

"FlashForward" airs Thursdays at 8 p.m. ET on ABC.