Fringe Connections

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

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

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

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".

The cuneiform on the boat door says "bí".

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

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

Olivia pulled up a list of the frozen heads found in S02E04 'Momentum Deferred' and they were all marked with "2E204", a reference to the episode in which they were stolen.

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

Nina communicated with an animated William Bell in "Brown Betty". When Walter and Peter found Bell in Olivia's mind in "Lysergic Acid Diethylamide" he was animated.

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

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

The anti-gravity osmium bullets from "Os" were used as a weapon against the Observers and Loyalists in "An Enemy of Fate".

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

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

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)".

Who did the Observer say was "still alive," Peter or Walter?

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

Walter gave the Child M&Ms in the pocket universe in "Through the Looking Glass and What Walter Found There" because he ate them with Olivia in "Inner Child".

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.

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

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".

Jones is working with Bell, who is alive.

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