- With the latest estimate that the team has only one day to save Olivia's consciousness, Walter leads a group on an LSD trip into Olivia's mind.
- After an unsuccessful transference of William Bell's soul to a corpse, he concludes that Olivia must recover her consciousness in less than one day. Walter and Bell decide to prepare an LSD trip with Peter to Olivia's mind to bring her back and transfer William Bell's soul to a hard drive. However her fears turn the trip very dangerous and they have to find where Olivia's hideout is. Will they succeed?—Claudio Carvalho, Rio de Janeiro, Brazil
- The team makes a desperate attempt to remove William Bell's consciousness from Olivia's body before she's lost forever.—Fox Publicity
- Walter works away merrily on his pal William Bell in Olivia's consciousness.
She's hooked up in a head brace with wires connected to a dead man in a bathtub filled with ice to attempt to transfer William's consciousness. Walter assures Peter the procedure is perfectly safe.
They flip the switch. The cadaver wiggles and jiggles as the electrical charge pulses through it and Bolivia grips the arm rest. The lights blow.
Walter checks the cadaver. Bolivia announces it didn't work. William's still there.
Later, Peter talks to Bolivia, reminding him he said he could leave her body after 48 hours. He wants Olivia back. She starts seizing. They rush her to the ER. Walter worries when they want to use electrical paddles on her.
As they're about to zap her, she opens her eyes and William tells the doctor if he zaps him he'll kill the woman he's living in.
Broyles visits in the hospital. William tries to explain how he misjudged the amount of time he'd be safe in Olivia. In the rats it took two weeks for the consciousness to disappear.
He can't just leave her body because his consciousness is the only thing keeping her body alive. If they don't get him out, he estimates Olivia will be gone for good in about a day.
Bolivia and Walter head back to the lab. Bolivia suggests activating her chi with acupuncture. Then he suggests that instead of pulling Olivia out, they go in.
Peter talks privately to Astrid, wondering if William might be planning to just stay in Olivia.
Bolivia and Walter announce their theory to Peter and Astrid. They plan to put William in a computer, but they have to go into Olivia's brain.
Peter remembers brain spelunking last time involved a probe in Olivia's brain and massive amounts of hallucinogenics. Walter suddenly gets very excited, realizing that they need to get some LSD. He suggest Peter be the one to go in and navigate Olivia's brain.
Cut to Peter and Olivia dropping acid. He tells Astrid he's a little worried about what he'll find in there. Broyles stops by to check on their progress. Peter is fascinated by his bald head. He's tripping.
Astrid announces they're ready.
Astrid injects Walter, Peter and Olivia as they sit in chairs, all hooked up to machines together.
Broyles and Astrid watch.
Cut to Peter on a busy New York street corner. He sees Walter -- on top of a bus.
Once they get Walter down, he explains that everything is a product of Olivia's subconscious. They're not sure where William is.
Walter explains that the plan is to look for Olivia.
They see the Twin Towers standing there and a light flashing out a Morse code SOS. Walter grabs a Jello pudding shiny lid from the trash and reflects light back to ask who it is. It's Olivia.
Back in the lab, Broyles suddenly gets transfixed by a licorice rope. Astrid asks if he touched the tray with the sugar cubes. He dreamily says he helped clean up. Oops.
Back in Olivia's mind, Walter sees her step father. He tries to hide, but he sees them. Traffic and all the pedestrians stop and stare at them. Walter suggests they run.
Everyone chases them. Walter runs for a cab and gets in to drive. The people swarm the cab and race after them.
As they tear down the streets, two black cars follow them.
Walter drives away and escapes.
They run into Nina in the World Trade Center lobby. She offers to show them to a private elevator. When the door opens, she tries to push Walter down an empty elevator shaft. Peter grabs him and shoves her down instead.
They get in another elevator. Walter doesn't like this place.
They get off the elevator at William's office and knock on the door. Walter reminds Peter to be ready for anything.
The door opens and it's not Olivia. It's William -- and he's a cartoon. Peter and Walter enter the office and suddenly they're animated, too. A thought balloon appears over Walter's head: "How wonderful!"
William explains that he found himself on the street and headed for the office to be safe, but then he ran into Nina. They wonder why everyone in Olivia's mind is out to get them.
He thinks when he entered her mind her ego became confused. Walter thinks Olivia doesn't know Walter's consciousness entered hers and she's afraid and hiding.
That makes her very hard to find.
Peter thinks she'll find somewhere safe and hide.
Back in the lab, Broyles is nearly catatonic on his trip. Astrid tries to assure him it's temporary. He tells her he saw death, and it was him. (He did see his other cut up when Olivia came back from Over There.) Broyles asks Astrid to hold his hand.
Back in Olivia's animated mind, William, Walter and Peter head for the roof of the Twin Towers. All the world is laid out before them.
Peter says the first place he'd look is Jacksonville, because she'd think it's the last place they'd look for her. They see people storming the building on the street below.
Zombies come out and attack them. William and Walter head for the zeppelin tethered nearby. As it floats away, Peter leaps off the roof and grabs the trailing ladder.
They take an animate blimp ride.
Walter tells William he should have known he had no intention of dying. Walter tells William he needs his help, that he doesn't know what to do with Peter and the machine.
William assures Walter he'll make the right decisions on his own.
In the belly of the blimp, an unseen person cuts the fuel line. Peter goes to check. There's gas seeping out of the engine room. Peter opens the door and a man with a gun knocks him down. He's wearing a t-shirt with a kind of cross on it. He's holding a flare gun. Walter comes to inspect.
The man shoots a hole in the blimp's wall, grabs a parachute and jumps out.
Walter and Peter are tossed around by the pressure change and Walter is sucked out the side. He plummets to the animated snow-covered landscape below.
When he hits the ground, Walter opens his eyes, back in the lab.
He's fine, but realizes he can't go back in.
Back in animated Olivialand, William assures Peter that Walter is fine. They find a motorcycle.
In the lab, Broyles sees an animated bird alight on Walter's shoulder.
Walter races to build the computer for William's brain, but breaks a piece. Astrid gets supplies to make another.
Peter drives up to a military base, where Olivia told him she lived as a kid. It goes on as far as the eye can see. Peter remembers Olivia telling him about wanting to be normal, and that the last time she felt that way was the day before she met William and Walter. Peter thinks she's hiding in that house, on that day. The houses all look the same, but her dad painted the door red for luck.
Peter and Walter drive through the cookie cutter houses until they find it. Peter stops. He worries what happens if he's wrong. He opens the door.
He's real again and Olivia is standing inside. Young Olivia and her parents sit at a table behind her.
He hugs her hello and tells her she's safe.
But as she's explaining that she was afraid and didn't know what was going on, he can tell something's wrong. It's not her.
Little Olivia gets up from the table and walks over to Peter. She says she just needed to be sure it was him.
Suddenly, the scenery in the house changes to Christmastime. Olivia is worried. Her stepfather comes racing around the corner. Peter grabs little Olivia's hand and runs.
Outside, William takes off running as military cars pull up, chasing them. Peter loses Olivia's grasp. She's frozen in the headlights of a car and about to get run over when he grabs her out of the way. But the car hits him and suddenly Peter, too, is back in the lab awake.
All they can do is wait. It's up to William now.
Back in animated Olivialand, William takes little Olivia's hand and runs with her as her step father and men in camouflage race after them. William falls down and tells her to run.
But instead she stops and turns to face the coming horde. She commands them to stop, telling them she's not afraid anymore.
Young Olivia turns back into the grown up version. William thinks his original experiments were right and she should have been safe, except that Olivia has never felt safe, so she retreated into her own fears.
But now she has faced her fears.
Now, William says he has to leave. The sky starts thundering.
William tells Olivia to tell Walter that he "knew the dog wouldn't hunt." William disappears.
Olivia opens her eyes in the lab.
Broyles blows bubbles.
Walter checks the monitors and finds only one consciousness in Olivia's brain.
He checks the other computer and finds the Bell brain download didn't work. Olivia passes on his message. Walter explains it's what William used to say when he knew an experiment wouldn't work.
Astrid checks on Walter later in his office. He just wants to be alone. He's quiet and grieving.
Back home, Olivia answers Peter's knock at her door. She feels like she just woke up from a really strange dream. She thanks him for coming to get her.
"It's not as dangerous as crossing into another universe, but I do try," Peter says.
Olivia says she's not afraid for whatever comes next.
He sees she has a drawing of the scary guy from the zeppelin. She says she hasn't seen him before. "But I think he's the man who's going to kill me," she says nonchalantly.
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