Fringe Connections

Walter had his life's work in a journal in "Black Blotter" just like he did in the fairy tale he told Ella in "Brown Betty".

When Walter explains that his red/blue lensed glasses were created by his friend from Washington, Doctor Jacoby, he's referencing the television show 'Twin Peaks' which also had an eccentric man of science, Doctor Jacoby, who wore red/blue lensed glasses very similar to Walter's.

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

Olivia saw Brandon as a zombie in her mind in "Lysergic Acid Diethylamide" because he wanted to cut out and study her brain in "Entrada".

In his dream at the end, young Peter is in bed wearing a jersey with the number 96 on it. The number 96 is the same jersey number that Joshua Jackson wore as Charlie Conway in the Mighty Ducks trilogy.

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

In "The Human Kind" Walter tested the Observer tech implant on the brain of the Porcupine Man from "Nothing as it Seems".

Donald helped Walter set up the pocket universe hiding spot.

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

The translucent skin toxin from "Pilot" was used as a weapon against the Observers 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.

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

September's device in "A Short Story About Love" led Peter to the beacon from "The Arrival".

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.

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

In "And Those We've Left Behind" Peter picked up the same toy plane (perhaps not literally the same) that he played with in "Subject 13".

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

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

Walter looked at Peter's coin in "Novation" from the night Peter died in "Peter".

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 butterfly glyph can be seen outside the entrance to the daycare center.

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

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

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