Fringe Connections

There was a white tulip in Walternate's bedroom in "Immortality" when he was struggling with what he had to do to save his world, suggesting that the symbol has meaning for him just like it did for Walter in "White Tulip".

Peter's grave says he died when he was 7.

Butterflies can be seen on a box in September's apartment.

The opening scenes of "Letters of Transit" reference Casablanca (a man named Rick owning an upscale nightclub). Peter and Fauxlivia watched Casablanca together in "The Abducted".

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

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

Walter implanted a tracker in his neck in "Snakehead" which is used in "Grey Matters".

Jones is working with Bell, who is alive.

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

Walter checked Peter's eyes for signs of degradation in "Pilot". Jones's eyes showed signs of changing in "There's More Than One of Everything" after he was teleported out of prison.

Marshall Bowman had a disk in his hand like John Scott and the woman in 'The Ghost Network'.

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

Ten Observers are present on Liberty island in "The Day We Died" from an assumed total of 12, given their names. One of the missing two is August, who was killed in "August".

William Bell left Massive Dynamic to Walter.

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

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.

Peter's shared dream state with September looks like an observation deck.

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

The Porcupine Man from "Nothing as it Seems" was seen in Walter's storage vault in "The Bullet that Saved the World".

One of the envelopes Peter sorted through said "Thank you for your support!", a direct message from the creators of Fringe to all the fans.

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

Jones got 'electrocuted in half' after fighting Peter in "Brave New World (Part 1)" similar to how he got sliced in half in "There's More Than One of Everything".

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.

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