The Potential Future

Listed below are all the differences between the main timeline and the potential future timeline seen at the end of season 3, arranged by episode and with pictures and timestamps wherever appropriate.

19 differences

2 episodes

S3E21→S3E22

S3E22 — The Day We Died

18 differences 14 pictured

Timestamp: 01:26

The year is 2026.
Timestamp: 01:32

There is a Fringe Division.
Timestamp: 01:52

Ella is a Fringe Division agent.
Timestamp: 04:52

They have suborbital tours.
Timestamp: 35:37

The wormhole in Central Park led to the late Paleozoic era (roughly 250 million years ago).
Timestamp: 07:02

Walter had a stroke that affected the right side of his body.
They have kappa radiation.
Timestamp: 07:18

Walter is in jail for his crimes.
Timestamp: 09:42

There's a vortex on the River Thames.
Timestamp: 10:02

Broyles is a senator.
Olivia and Peter are married.
Timestamp: 14:00

Olivia can control her telekinetic abilities.
The Redverse was destroyed by a wormhole, presumably created by The Machine.
Timestamp: 14:56

Walternate is behind the attacks.
Walternate came to the Blueverse on a mercy mission to try to save his world and got stuck here when the Redverse was destroyed.
Timestamp: 29:38

Walternate killed Olivia.
Timestamp: 33:27

Steak comes in cans.
Timestamp: 05:49

The former Federal Building in Boston is now Fringe HQ.

S3E21 — The Last Sam Weiss

S3E22 — The Day We Died