Fringe Connections

In "Black Blotter" Walter had a vision of his scuffle with Nina at Reiden Lake from "Peter" and later recalled other memories from that day.

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

A seahorse can be seen on the Bishops' refrigerator.

The rollercoaster seen from atop the World Trade Center in Olivia's mind in "Lysergic Acid Diethylamide" is a reference to the one she rode with Ella in "August".

The opening crawl is an homage to Blade Runner.

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

Walter visited Peter's grave in "There's More Than One of Everything" from when Peter died in "Peter".

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

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

In "Brave New World (Part 1)" Walter sat in his old cell at St. Claire's from "Pilot".

When Nina looks in Bell's storage room for his copy of the First People book the camera pans by a copy of 'Dr. Spock's Baby and Childcare'.

Butterflies can be seen in Olivia's bedroom.

The Franklin St. Station subway sign in "Amber 31422" shows the numbers 6-9-5-5 in the 'green-green-green-red' circle pattern from "The Equation".

Observers send materials to themselves via shipping lanes from the future using metal cubes.

A butterfly can be seen attacking Mark Young.

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".

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 pattern can be seen in the toxin's molecular structure.

Peter found Olivia in a field of white tulips in "Subject 13", a nod to "White Tulip".

Windmark visited his boss, The Commander, in 2609.

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

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".

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

Walter had his life's work in a journal in "Black Blotter" just like he did in the fairy tale he told Ella in "Brown Betty".