Fringe Connections

Olivia's pregnancy dream in "The Same Old Story" is in a waiting area with giant tulips.

The episode ends with September going into December's apartment, apartment 513, the episode code of the next and final episode of the series.

A frog can be seen in Walter's Monty Python trip.

The canoe in Olivia's dream state in "Pilot" has the green-green-green-red pattern on it from "The Equation".

William Bell left Massive Dynamic to Walter.

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

The 'green-green-green-red' pattern from "The Equation" appeared on the Amber dispersal device when it was initially activated in "6B".

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

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

The child needed an air degradation unit in "Through the Looking Glass and What Walter Found There" because he needed a less oxygen-rich environment like where he was found underground in "Inner Child".

Mark Young's colleague is wearing a butterfly pin, possibly prompting the subject of his hallucination.

Butterflies can be seen in Olivia's bedroom.

In "And Those We've Left Behind" Peter picked up the same toy plane (perhaps not literally the same) that he played with in "Subject 13".

The flower glyph glitches away after the scene where Olivia's fear caused her to interrupt all the electronics in the room.

A butterfly can be seen attacking Mark Young.

Peter said "You're going to be fine" to Olivia in "Brown Betty", like Charlie's "You're gonna be fine" message to Olivia in "Dream Logic".

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

The apple glyph can be seen on the backrest of a chair in the lab.

The blue powder dispersal doll from "Concentrate and Ask Again" was seen in Walter's storage vault in "The Bullet that Saved the World".

When Walter explains that his red/blue lensed glasses were created by his friend from Washington, Doctor Jacoby, he's referencing the television show 'Twin Peaks' which also had an eccentric man of science, Doctor Jacoby, who wore red/blue lensed glasses very similar to Walter's.

A seahorse can be seen on Peter's luggage.

Broyles was hanging out at a jazz bar in "Midnight". His character in "Brown Betty" performs in one.

The green and yellow posters in the diner represent how this new timeline with the yellow/amber title sequence is starting to merge with the original timeline with the blue title sequence now that Peter has returned (blue + yellow = green).

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