Walter discusses how he trusted Bell before Bell betrayed them to gain favor with the Observers.
Observers are featured in this episode.
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The scaffolding near Kelvin Genetics in 'Five-Twenty-Ten' has "Oracle" written on it, foreshadowing Simone's oracle-like sensibilities in 'The Human Kind'.
Items of Interest
Bell was with the Fringe team because Walter needed him for access to the beacons.
Walter called Astrid 'Agnes'.
Bell stole Walter's David Bowie album 'The Man Who Sold the World', which describes what Bell did multiple times for his own benefit. (Image 1)
Peter was able to activate the beacon summoner because it sensed him as an Observer.
05/20/10, the combination Bell always used, was the air date of the season 2 finale and therefore the day he died in the original timeline.
Peter and Walter are both losing themselves.
Peter's hair is starting to fall out. (Image 2)
Names for Astrid
Walter called Astrid 'Agnes'.
ASTRID: "Before the invasion you had been talking with Bell. He said that he wanted to help you defeat the Observers. That he realized how important this was. And then he betrayed us to gain favor with them." WALTER: "He came, and I trusted him."
Bell told the Observers where to find the Fringe team, causing them to amber themselves for protection.
A visualization of all the ways this episode connects to other episodes. Scroll down to see the actual connections.
S1E01 - Pilot
In 'Five-Twenty-Ten' Walter recognized the location of the beacons as a lab at Kelvin Genetics. In 'Pilot' Olivia told Peter that Kelvin Genetics was the classified US Army experimental program that Walter (and Bell) worked for.
In 'Five-Twenty-Ten' Peter swapped an Observer briefcase with one that would infect them with the translucent skin toxin that nearly killed John Scott in 'Pilot'.
S2E14 - Jacksonville
WALTER in 'Jacksonville': "Five... twenty... ten... I always use the same combination, though I can't remember the significance."
The combination to access Bell's safe in 'Five-Twenty-Ten' was 0-5-2-0-1-0, the same combination Walter used to access the daycare center.
S3E02 - The Box
In 'The Box' Bell wrote to Nina in his will "And for the precious few we had alone in Tuscany, a memento of me." In 'Five-Twenty-Ten' Bell's old safe had a picture of Nina in Tuscany.
S3E03 - The Plateau
Peter ran possible futures in 'Five-Twenty-Ten' to try to coerce the Observers to be where he wanted them to be just like Milo Stanfield did to his doctors in 'The Plateau'.
S3E12 - Concentrate and Ask Again
The combination to Bell's safe in 'Concentrate and Ask Again' was 0-5-2-0-1-0, the same combination used in 'Five-Twenty-Ten'.
S4E15 - A Short Story About Love
OLIVIA to Nina in 'A Short Story About Love': "When the day comes... if I don't remember this, I want you to try and build something with me again. Don't give up on me. I love you, Nina."
Olivia gave Nina a hug and a kiss in 'Five-Twenty-Ten', suggesting that they reformed a personal relationship.
S4E19 - Letters of Transit
Walter stole Bell's hand in 'Letters of Transit' to gain access to Bell's personal storage unit in 'Five-Twenty-Ten'.
Walter's password at Massive Dynamic is 0-5-2-0-1-0, the same as the combination to the Jacksonville daycare center and to Bell's safe in 'Five-Twenty-Ten'.