Fringe Connections

Michael played the music box from "The Boy Must Live" for September after September got shot in "An Enemy of Fate".

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.

A bus at the second crime scene in "The Plateau" has an ad on the side that says "Ambered", a reference to the ambered bus in "The Ghost Network".

Carr's work review sent to Astrid from his previous employer shows that in the three years prior to his dismissal, he only missed three days of work. He was out for only one day each year and each year it was the same day: Valentine's Day.

A seahorse can be seen on the Bishops' refrigerator.

Nina communicated with William Bell through the universe window from "Peter" in "Brown Betty".

There are 'Wanted' billboards for the Fringe team.

A leaf can be seen on the bio-scan monitor at the Liberty Island security checkpoint.

Peter flipped a coin through his fingers in "Safe" like both Peters did when they were near death in bed in "Peter".

Susan Pratt's wardrobe is full of dark colors like Olivia's and Nick Lane's.

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

In "6:02 AM EST" Walternate trapped Fauxlivia in the same cell as Olivia was kept in in "Over There (Part 2)".

The Child's happy expression drops when he sees the Observer.

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

Olivia noticed the book "Burlap Bear Goes To The Woods" in Max's room in "The Abducted". This is the same book Rachel read to Ella in "Unleashed".

The yellow dot in the final glyph of the episode is replaced by a yellow heart.

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

Peter's map of Walter's crimes in "Brown Betty" resembles the map of Pattern cases in "There's More Than One of Everything".

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.

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

Walter shot Olivia in the head in "Brave new World (Part 2)" like Walternate did in the possible future in "The Day We Died".

Donald helped Walter set up the pocket universe hiding spot.

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