Fringe Connections

September loads his food with heat (pepper, jalapenos, hot sauce) in "The Arrival" because his emotions are dulled, as he explained in "The Boy Must Live".

The yellow dot in the final glyph of the episode is replaced by a yellow heart.

The flower 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.

William Bell left Massive Dynamic to Walter.

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

Markham took a liking to Olivia when they met for the first time in "Ability". Decades later in "Transilience Thought Unifier Model-11" he buys her when she's stuck in amber.

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

A hand can be seen on the wall when Olivia and Peter attack the Observers and Loyalists.

The translucent skin toxin from "Pilot" was used as a weapon against the Observers in "An Enemy of Fate".

Carr's work review sent to Astrid from his previous employer shows that in the three years prior to his dismissal, he only missed three days of work. He was out for only one day each year and each year it was the same day: Valentine's Day.

The flower glyph can be seen on the wall in Karen Truss's house.

Peter flipped a coin through his fingers in "Safe" like both Peters did when they were near death in bed in "Peter".

The cuneiform on the boat door says "bí".

A leaf can be seen on the bio-scan monitor at the Liberty Island security checkpoint.

Walter looked at Peter's coin in "Novation" from the night Peter died in "Peter".

Who did the Observer say was "still alive," Peter or Walter?

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

William Bell had a bell on his desk in "There's More Than One of Everything". He rang it after he introduced himself. He did that to prime Olivia to receive his soul should he die in the future. Walter rang that bell in "Os" and Olivia became inhabited by William Bell.

The episode opened in "Manhatan", seemingly a typo but actually signifying this was an alternate Manhattan.

The apple glyph can be seen on a door in the pocket universe.

Peter needed a Faraday cage to safely enter the time bubble in "And Those We've Left Behind" like Alistair Peck built into his own body in order to time travel safely in "White Tulip".

The license plate on Olivia's SUV reads 1R2D21, and the licence plate on Broyles's SUV reads 1C3PO1.

The hand glyph can be seen on a door in the pocket universe.