Fringe Connections

Despite Walternate's efforts to mold Olivia's mind into Fauxlivia's, Olivia kept seeing Peter and Walter in "Amber 31422". Similarly, in "Alone in the World" Peter didn't exist in the rewritten timeline yet Olivia kept having visions of him.

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.

The nanites in "Brave New World (Part 1)" have an "X" on them that matches the "X" on the shirt worn by the man Peter freed from Olivia's mind in "Lysergic Acid Diethylamide", suggesting that "Mr. X" from Olivia's mind may have been William Bell (who was ultimately behind the nanites).

Nick Lane's wardrobe is all dark colors like Olivia's.

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

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

Michael can show emotion as he cried when he saw Nina's dead body.

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

Walter's password at Massive Dynamic in "Letters of Transit" is 0-5-2-0-1-0, the same as the combination to the Jacksonville daycare center and to Bell's safe in "Five-Twenty-Ten".

Windmark visited his boss, The Commander, in 2609.

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

Olivia noticed the book "Burlap Bear Goes To The Woods" in Max's room in "The Abducted". This is the same book Rachel read to Ella in "Unleashed".

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

A butterfly can be seen attacking Mark Young.

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 briefcase contained photos of Walter.

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

The bus in "The Ghost Network" is ambered. Ambering later becomes a real safety tool used by the other side as seen in "Over There (Part 1)".

William Bell left Massive Dynamic to Walter.

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

The hallucinogenic drug from "The Dreamscape" was used as a weapon against the Observers in "An Enemy of Fate" to make them think they were being attacked by butterflies.

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

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