Fringe Connections

Walter said that Nancy Lewis looked familiar in "The Road Not Taken"; her name is on a height chart in the daycare center where the Cortexiphan trials took place in "Jacksonville".

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.

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

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

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

A butterfly can be seen painted on the side of a white trash can.

Nina communicated with William Bell through the universe window from "Peter" in "Brown Betty".

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

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

Broyles had jazz posters in his storage unit in "Earthling". His character in "Brown Betty" performed in a jazz bar.

In his dream at the end, young Peter is in bed wearing a jersey with the number 96 on it. The number 96 is the same jersey number that Joshua Jackson wore as Charlie Conway in the Mighty Ducks trilogy.

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

The tombstone in Olivia's dream state in "Pilot" says "He's Not Dead", possibly referring to John Scott, assumed dead, who appears at the end of "The Arrival".

Donald helped Walter set up the pocket universe hiding spot.

A butterfly can be seen attacking Mark Young.

In "Back to Where You've Never Been" Peter and Lincoln set up the universe portal in the Orpheum Theater, the same place Walter, Olivia, and the Cortexiphan subjects crossed over to rescue Peter in "Over There (Part 1)".

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).

A seahorse can be seen on Peter's luggage.

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

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.

A frog can be seen on the dock when Walter is high.

The creature from "Snakehead" and images of it were seen in Walter's storage vault in "The Bullet that Saved the World".

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

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