i saw it in the season 3 finale reactions...here it is from aliaslover4life91:
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As many of you are aware, the season 3 finale was filmed with an ending in place. However, JJ ABRAMS (creator) did not like it, so he had it changed. This is what the ending was going to be like:
Written by Jeff Pinkner:
ALIAS- EP#E322- "Resurrection"- 04/09/2004- First Draft
Below her: Vaughn dangles by his shoulder from the hook, and now the cable is lashed around Jack's leg, to untangle it would require letting go with his hands.
ON SYDNEY: Straining with effort. HER HANDS: White with effort-- refusing to drop them--- but their combined weight IS CAUSING THE RAILING TO GIVE WAY -- IT'S BREAKING -- IN A MOMENT THEY'LL ALL GO OVER.
VAUGHN: -- you can't hold us both --
She struggles to pull them back up --
SYDNEY (straining): -- no --
-- But Vaughn's right. It's too much. Her eyes go to her dad.
JACK: -- CUT ME LOOSE.
-Then to Vaughn.
VAUGHN: Let me go.
And looking down at her father and Vaughn, Sydney realizes that all 3 of them are going to die... unless she does the unthinkable...
Sydney pulls a BLADE from her belt -- she opens it -- and holding it to the rope, we UNDERSTAND: if she cuts one of them free, she and the other will survive -- she has to choose which one, but how...
AND ALL MUSIC CUTS OUT -- replaced by just the sound of Sydney's strained breathing.
We're TIGHT ON HER FACE -- streaked with sweat -- straining with this impossible choice -- when-- Oh, God -- suddenly. SHE'S PULLED FORWARD OUT OF THE FRAME.
WIDER: the railing Sydney clings to is collapsing --
Vaughn: SYD -- NOW -- DO IT NOW
AND THERE'S NO MORE TIME .. WE'RE ON SYDNEY AS SHE DECIDES THEN BRINGS THE KNIFE TO ONE OF THE ROPES --- AND WE'RE VERY CLOSE AS SHE SLICES THROUGH IT -- IT DROPS AWAY --
WHO'S AT THE OTHER END?
FOR THE ANSWER TO THAT QUESTION, WE'LL HAVE TO WAIT UNTIL NEXT SEASON, BECAUSE NOW, OFF SYDNEY'S CHOICE, WE...
CUT TO BLACK.
END OF SEASON THREE
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personally, i think this would have been a better cliffhanger, but there's no way i would have wanted to wait until january to find out what happens...it's also a bit too dramatic for me, LoL - not like what did happen in the finale wasn't dramatic, but it was a different kind of dramatic...you get me?! LoL
basically, i liked the finale that aired better.