Fringe Connections

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".

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

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

When Peter left the hospital in "The Last Sam Weiss" he wrote "I am going home" on an envelope, the same phrase he wrote for Elizabeth in "Subject 13" when he tried to return to his home world.

The flower glyph glitches away after the scene where Olivia's fear caused her to interrupt all the electronics in the room.

The butterfly glyph can be seen near Lincoln in the rail yard.

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.

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.

A seahorse can be seen on Peter's luggage.

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.

The cuneiform on the boat door says "bí".

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

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.

Donald helped Walter set up the pocket universe hiding spot.

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

Walter thought of Peter when he saw the image of a coffin in "Grey Matters" because his Peter died in "Peter".

Bell stole Walter's David Bowie album 'The Man Who Sold the World', which describes what Bell did multiple times for his own benefit.

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

The ship at the end of "Nothing as it Seems" showed the creatures from "Snakehead".

There are 'Wanted' billboards for the Fringe team.

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

William Bell had a bell on his desk in "There's More Than One of Everything" and rang it after he introduced himself to Olivia. He left a similar bell to Nina in his will in "The Box".

Susan Pratt's wardrobe is full of dark colors like Olivia's and Nick Lane's.

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