Fringe Connections

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".

Donald helped Walter set up the pocket universe hiding spot.

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

The ship at the end of "Nothing as it Seems" shows creatures from "Unleashed" in cages.

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

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

An ambering device, first (nearly) used by the Blueverse Fringe team in "6B", was seen in Walter's storage vault 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.

A seahorse can be seen on Peter's luggage.

In "Os" Peter revealed to Olivia that he was working on the Shapeshifter devices that he collected in "Reciprocity" by killing Shapeshifters.

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

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

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

Olivia entered "Martin Luther King/Eldridge Cleaver Memorial Park" which has a plaque quoting them as saying "We have a dream" rather than "I".

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

September's security system flashed the 'green-green-green-red' pattern from "The Equation" before exploding in "The Boy Must Live".

Olivia struck James Heath with a candlestick in her dining room, making the title a complete red herring.

The hand glyph can be seen on the piano stool in the Orpheum Theater in the Redverse.

The Observers read Nina's phone call from the impressions her sound waves made on the glass in her office in "Anomaly XB-6783746", like Peter did in to hear the phone call Nancy Lewis made in "The Road Not Taken".

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

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

Walter stole Bell's hand in "Letters of Transit" to gain access to Bell's personal storage unit in "Five-Twenty-Ten".

Michael can show emotion as he cried when he saw Nina's dead body.

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