Fringe Connections

James Heath, a Cortexiphan subject, couldn't control his abilities in "Olivia. In the Lab. With the Revolver.". In "Over There (Part 1)" he had been trained to cure disease instead of cause it.

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

The flower glyph can be seen on the wall in Karen Truss's house.

Jones got 'electrocuted in half' after fighting Peter in "Brave New World (Part 1)" similar to how he got sliced in half in "There's More Than One of Everything".

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

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

Nick Lane is being kept in a coma indefinitely at the end of "Bad Dreams". In "Over There (Part 1)" Olivia learned that he and other found Cortexiphan subjects have been training to keep their abilities under control.

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).

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

Walter implanted a tracker in his neck in "Snakehead" which is used in "Grey Matters".

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

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

September was labeled as "Mr. X" on Walter's computer in "The End of All Things", the same name that fans used to refer to the man Peter freed in Olivia's mind in "Lysergic Acid Diethylamide".

The opening crawl is an homage to Blade Runner.

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

The Porcupine Man from "Nothing as it Seems" was seen in Walter's storage vault in "The Bullet that Saved the World".

Peter's grave says he died when he was 7.

Butterflies can be seen in Etta's apartment.

There was a white tulip in Walternate's bedroom in "Immortality" when he was struggling with what he had to do to save his world, suggesting that the symbol has meaning for him just like it did for Walter in "White Tulip".

Observers send materials to themselves via shipping lanes from the future using metal cubes.

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

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

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