Fringe Connections

Olivia's therapist in "Nothing as it Seems" is the same one she had when she was trapped on the other side in "Olivia".

Jones is working with Bell, who is alive.

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

The Beacon from "The Arrival" appeared in "Brown Betty" as the Watchers attempted to locate Peter.

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

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

The super-sized cold virus from "Bound" was used as a weapon against the Observers in "An Enemy of Fate".

Olivia struck James Heath with a candlestick in her dining room, making the title a complete red herring.

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

Walter looked upset when he found Peter's coin in the lake house in "There's More Than One of Everything" because Peter was holding it as he died in "Peter".

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

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

Walter stole Bell's hand in "Letters of Transit" to gain access to Bell's personal storage unit in "Five-Twenty-Ten".

The Redverse traded Alt Broyles for Fauxlivia by cutting off one of his legs to make their masses equal.

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

The End Dock Stabilizer's lights in "An Origin Story" flashed the 'green-green-green-red' pattern from "The Equation" when Peter finished assembling it.

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

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

The Fringe team used the skin-growth toxin from "Ability" as a weapon against the Observers and Loyalists in "The Bullet that Saved the World".

This episode reveals that there is more than one Observer. The intro sequence since the pilot episode has had a single frame that says "OBSERVERS ARE HERE".

A seahorse can be seen on Peter's luggage.

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)".

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

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