Fringe Connections

Jones presented Olivia with the light box test in "The End of All Things" just as he did in "Ability".

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

A seahorse can be seen hanging from the taxi when Walter listens to music.

A butterfly shadow box like those seen in "The Dreamscape" was seen in Walter's storage vault in "The Bullet that Saved the World".

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 seahorse glyph can be seen on the back of one of Markham's books.

Olivia has excellent aim in "Bound"; she killed Loeb's wife with a single shot to the head. It's stated in "Olivia" that Fauxlivia won an Olympic gold medal for marksmanship.

There is a Massive Dynamic logo on Flight 627's engine.

A butterfly can be seen attacking Mark Young.

Windmark probed Walter's mind so forcefully in "Transilience Thought Unifier Model-11" that it caused blood vessels in Walter's eye to pop. In "Liberty" Michael resisted Windmark's mind probe, and possibly probed Windmark's mind back, causing blood vessels to pop in Windmark's eye.

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

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

The boy in "Alone in the World" played with the same action figure Peter showed to the Child in "Inner Child".

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

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

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

The radioactive isotope compound from "The Cure" that caused heads to explode was used as a weapon against the Observers in "An Enemy of Fate".

Donald helped Walter set up the pocket universe hiding spot.

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

A flashback at the end of "Grey Matters" revealed that it was William Bell who removed the pieces of Walter's brain. In "Over There (Part 2)" Bell said he removed the pieces at Walter's own request due to fears about the man he was becoming.

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