Fringe Connections

The End-of-Dayers used light bombs called Electrilights in "The Day We Died". Loyalists threw a light bomb at Peter in the sewer tunnels in "The Bullet that Saved the World".

Donald entered the mine 5 weeks after the invasion and took some rocks. He was described as being in his late 30s, medium height, dark hair. Donald said he was waiting for "a colleague, a scientist from Boston, to meet him." Observers found him and took him away.

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

In "And Those We've Left Behind" Peter picked up the same toy plane (perhaps not literally the same) that he played with in "Subject 13".

Sam Weiss died 10-15 years earlier in a shootout with Observers trying to protect the radio signal relay used to locate Michael.

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

Olivia shot her captors in "The Human Kind" with the bullet she took from Etta in "The Bullet that Saved the World".

The green and yellow posters in the diner represent how this new timeline with the yellow/amber title sequence is starting to merge with the original timeline with the blue title sequence now that Peter has returned (blue + yellow = green).

A frog can be seen on the dock when Walter is high.

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

There are 'Wanted' billboards for the Fringe team.

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

The Observer's binoculars in "The Arrival" have the green-green-green red pattern from "The Equation" at the bottom left corner.

The episode ends with September going into December's apartment, apartment 513, the episode code of the next and final episode of the series.

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

The End-of-Dayers targeted the Orpheum Theater in "The Day We Died", a soft spot from when Olivia and the other Cortexiphan subjects crossed over to get Peter in "Over There (Part 1)".

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

A hand can be seen on the wall when Olivia and Peter attack the Observers and Loyalists.

In "The End of All Things" September told Peter about Henry, the son he never knew existed, who was born in "Bloodline".

The license plate on Olivia's SUV reads 1R2D21, and the licence plate on Broyles's SUV reads 1C3PO1.

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

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.

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.

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