The 4400: Season 4, Episode 13

The Great Leap Forward (16 Sep. 2007)

TV Episode  -   -  Sci-Fi | Drama | Mystery
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Ratings: 8.6/10 from 248 users  
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Danny Farrell's newfound ability to spread promicin leads to several hundred deaths, including his mother. With Seattle in chaos, NTAC is forced to accept Promise City's offer of help.



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Episode cast overview, first billed only:
Shawn Farrell (as Patrick Flueger)
Rebecca Parrish (as Penny Johnson Jerald)


Danny Farrell's newfound ability to spread promicin leads to several hundred deaths, including his mother. With Seattle in chaos, NTAC is forced to accept Promise City's offer of help.

Plot Summary | Add Synopsis

Plot Keywords:

city | neurology | See All (2) »




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Release Date:

16 September 2007 (USA)  »

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Technical Specs

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Aspect Ratio:

1.78 : 1
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Did You Know?


During Jordan's inspirational speech on the steps toward the end of the episode, writer and executive producer Ira Steven Behr is one of the extras in the crowd. He can be seen clearly toward the front of the crowd in at least one shot, and is easily recognizable because of his distinctive mustache and goatee, which are dyed blue. See more »


[about the events of the series finale]
Jordan Collier: The sacrifices of the past few days have not been in vain. This tragedy, terrible as it may have been, had meaning. And those who died... are the heralds of a new age!
See more »


A Place In Time (Theme From The 4400)
Written by Robert Phillips and Tim Paruskewitz
Performed by Bosshouse feat. Amanda Abizaid
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User Reviews

One of the Best Episodes in the Series
17 September 2007 | by (United States) – See all my reviews

"The Great Leap Forward" was a triumph for the writers of "4400." Not only does it close up most of the loose ends (with the exception of Richard Tyler's location, which will surely be revealed next season) but it goes back to the simple family dynamic of the show that lives beyond all the sci-fi drama.

Danny Ferral, after taking the shot, gains the ability to spread promicin throughout the city like a virus. Half of Seatle dies, half gains abilities (there's also a small amount that avoided either outcome by taking a vitamin which produces promicin resistance, but it's unclear what their role next season will be). Among the dead are Susan Ferral (mother of Shawn and Danny) burdening Danny with the guilt of killing not only half the city, but his own mother.

The promicin inhibitor makes Danny sicker and sicker until he asks his brother to make the pain go away. Shawn is reluctant, but eventually kills his brother in mercy. This is one of the most powerful scenes I've seen on "4400" since the death of Lily Tyler.

Another powerful and wonderfully sad scene was the death of Isabelle Tyler whom, after refusing to kill Kyle Bawldwin, was killed by the marked. As she dies in the arms of Tom Bawldwin and Jordan Collier her last words are "make this world better than it is." All in all it's a beautiful and touching episode that conveys death and new beginnings exquisitely, as well as leaving many questions unanswered: How will these new abilities effect people? Will Shawn still be running the center? Will Tom take the shot? I guess we'll have to wait to Season Five to find out. I know I'll stay tuned!

10 of 11 people found this review helpful.  Was this review helpful to you?

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