Fringe Connections

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

Madison Square Garden in the Redverse is quarantined in amber.

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

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

The Fringe team is the First People. Walter sent the parts of the machine back through time via the wormhole in Central Park. That's why the First People had such a knowledge of Peter and Olivia.

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

Ten Observers are present on Liberty island in "The Day We Died" from an assumed total of 12, given their names. One of the missing two is August, who was killed in "August".

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

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

William Bell had a bell on his desk in "There's More Than One of Everything". He rang it after he introduced himself. He did that to prime Olivia to receive his soul should he die in the future. Walter rang that bell in "Os" and Olivia became inhabited by William Bell.

When Nina looks in Bell's storage room for his copy of the First People book the camera pans by a copy of 'Dr. Spock's Baby and Childcare'.

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

The translucent skin toxin from "Pilot" was used as a weapon against the Observers in "An Enemy of Fate".

Jones said there are 10 tests for Olivia in total. The first was a box of lights that Olivia had to turn off with her mind.

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

The End-of-Dayers used light bombs called Electrilights in "The Day We Died". Loyalists threw a light bomb at Peter in the sewer tunnels in "The Bullet that Saved the World".

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

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

The Observers read Broyles' phone call from the impressions his sound waves made on the glass in his car in "An Enemy of Fate", like Peter did in to hear the phone call Nancy Lewis made in "The Road Not Taken".

Donald helped Walter set up the pocket universe hiding spot.

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

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".

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