Fringe Connections

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)".

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

A leaf glyph matching the Massive Dynamic security screen in "Pilot" is displayed on the bio-scan monitor on Liberty Island in "Neither Here Nor There".

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

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

Walter's car in "The Same Old Story" has a severed hand in a jar, and Peter jokes "Friend of yours?". Walter eventually cuts William Bell's hand out of amber in "Letters of Transit".

The Fringe team is part of a full-fledged branch of the Department of Defense in the Redverse.

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

The creature from "Snakehead" and images of it were seen in Walter's storage vault in "The Bullet that Saved the World".

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

A butterfly can be seen painted on the side of a white trash can.

Peter said "You're going to be fine" to Olivia in "Brown Betty", like Charlie's "You're gonna be fine" message to Olivia in "Dream Logic".

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

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

Broyles was hanging out at a jazz bar in "Midnight". His character in "Brown Betty" performs in one.

The cuneiform on the boat door says "bí".

A seahorse can be seen on the Bishops' refrigerator.

Peter needed a Faraday cage to safely enter the time bubble in "And Those We've Left Behind" like Alistair Peck built into his own body in order to time travel safely in "White Tulip".

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

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

The posters from Peter's Redverse bedroom in "Subject 13" were hung on the wall when Walternate took him back in "Over There (Part 2)" in order to bring a sense of comfort and familiarity to Peter.

William Bell's name is partially faded/scratched off of the door to the lab.

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