Fringe Connections

William Bell left Nina a bell in his will in "The Box". Walter rang that bell in "Os" which initiated Bell's soul magnet experiment.

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

A frog can be seen on the dock when Walter is high.

The nanites in "Brave New World (Part 1)" have an "X" on them that matches the "X" on the shirt worn by the man Peter freed from Olivia's mind in "Lysergic Acid Diethylamide", suggesting that "Mr. X" from Olivia's mind may have been William Bell (who was ultimately behind the nanites).

The cuneiform on the boat door says "bí".

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

Walter and Donald hid the Child from "Inner Child" in the pocket universe in "Through the Looking Glass and What Walter Found There".

The crane that crashed during the intro has a Massive Dynamic logo on it.

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

When Peter drove up to the lake house in "There's More Than One of Everything" the camera focused on his car through a red panel of stained glass, foreshadowing that Peter was taken from the Redverse in "Peter".

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

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

In "Entrada" Fauxlivia was brought back to the Redverse via harmonic transfer with small rods injected into her hands, similar to the harmonic transfer that brought the bridge over in "The Man from the Other Side".

Madison Square Garden in the Redverse is quarantined in amber.

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

The Franklin St. Station subway sign in "Amber 31422" shows the numbers 6-9-5-5 in the 'green-green-green-red' circle pattern from "The Equation".

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

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

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

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.

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

The canoe in Olivia's dream state in "Pilot" has the green-green-green-red pattern on it from "The Equation".

All of the people in Olivia's mind wear blacks and greys because Cortexiphan subjects have a strong desire to blend in.

Butterflies can be seen on a box in September's apartment.