Fringe Connections

The intense amount of Cortexiphan coursing through Olivia in "Brave New World (Part 2)" was able to heal her mortal wound. This was foreshadowed in "Brown Betty" when Olivia was sliced by the same weapon that killed Rachel, yet instead of dying Olivia's skin started to heal itself.

Jones said there are 10 tests for Olivia in total. The first was a box of lights that Olivia had to turn off with her mind.

A frog can be seen outside the entrance to the daycare center.

Bell was unwell and needed oxygen in Olivia's memories in "Momentum Deferred" which could be because he had lymphoma as Nina revealed in the alternate timeline in "Brave New World (Part 1)".

Peter's grave says he died when he was 7.

The leaf glyph is on the electronic keypad at Massive Dynamic.

In "Olivia" they gave Olivia the same tattoo as Fauxlivia had in "Over There (Part 1)".

There is a Massive Dynamic logo on Flight 627's engine.

The flower glyph can be seen on the wall in the diner where Olivia and Lincoln meet.

Walter used the same neural halo in "The Box" as he used on the child in "Inner Child".

Bell stole Walter's David Bowie album 'The Man Who Sold the World', which describes what Bell did multiple times for his own benefit.

The butterfly glyph can be seen outside the entrance to the daycare center.

In "Grey Matters" Walter's brain pieces were stored the heads of living people. In "Letters of Transit", in the altered timeline, they were stored in Massive Dynamic.

Windmark said "Nothing grows from scorched earth" to Walter and then later Walter saw a dandelion growing from rubble outside. He has hope.

The apple glyph can be seen as Olivia and Shapeshifter Charlie fight in the alley.

Olivia's pregnancy dream in "The Same Old Story" is in a waiting area with giant tulips. Young Olivia fled to a field with white tulips when she got scared in "Subject 13".

Walter's pose as he listens to the Mozart Requiem is a reference to the iconic Maxell tape advertisement from the '80s.

The seahorse glyph can be seen on the back of one of Markham's books.

The Observers read Broyles' phone call from the impressions his sound waves made on the glass in his car in "An Enemy of Fate", like Peter did in to hear the phone call Nancy Lewis made in "The Road Not Taken".

It is true that the Empire State Building's spire really was initially designed for airship docking as it was in the Redverse.

A seahorse can be seen hanging from the taxi when Walter listens to music.

Walter stole Bell's hand in "Letters of Transit" to gain access to Bell's personal storage unit in "Five-Twenty-Ten".

All of the people in Olivia's mind wear blacks and greys because Cortexiphan subjects have a strong desire to blend in.

The leaf glyph is on the electronic keypad at Massive Dynamic.