Half of this episode takes place in a pocket universe, a split in the membrane that separates the two universes.
The Observer
Observers are featured in this episode.
Timestamp: 34:09
Episode Clues
Previous Episode Clue
Graffiti behind Anil's van in 'An Origin Story' says "Ask Alice", foreshadowing the theme and title of 'Through the Looking Glass and what Walter Found There'.
Timestamp: 09:02
Next Episode Clue
Unknown
Items of Interest
Donald helped Walter set up the pocket universe hiding spot. (Image 1)
The child was an Observer, proven by Walter and Donald putting an air degradation unit in his hiding room.
Peter is developing Observer abilities: speed, strength, teleportation, pocket universe vision, blue Matrix-style vision. (Image 2)
Image 1: Donald Timestamp: 28:04Image 2: Peter's vision Timestamp: 42:16
Glyph Sightings
The apple glyph can be seen on a door in the pocket universe.
The butterfly glyph can be seen on a door in the pocket universe.
The flower glyph can be seen on a door in the pocket universe.
The frog glyph can be seen on a door in the pocket universe.
The hand glyph can be seen on a door in the pocket universe.
The seahorse glyph can be seen on a door in the pocket universe.
Walter ate a grape Red Vine and drank some milk, got distracted by pastries in Tape #7, and ate a raspberry-filled pastry.
Grape Red Vine and milk Timestamp: 01:28Pastries Timestamp: 10:54Raspberry-filled pastry Timestamp: 11:00
Connection Chart
A visualization of all the ways this episode connects to other episodes. Scroll down to see the actual connections.
Episode Connections
S1E15 - Inner Child
Walter and Donald hid the Child from 'Inner Child' in the pocket universe in 'Through the Looking Glass and What Walter Found There'.
Walter gave the Child M&Ms in the pocket universe in 'Through the Looking Glass and What Walter Found There' because he ate them with Olivia in 'Inner Child'.
The child needed an air degradation unit in 'Through the Looking Glass and What Walter Found There' because he needed a less oxygen-rich environment like where he was found underground in 'Inner Child'.
The Child S5E06 - Through the Looking Glass and What Walter Found There Timestamp: 28:21M&Ms S1E15 - Inner Child Timestamp: 17:58M&Ms S5E06 - Through the Looking Glass and What Walter Found There Timestamp: 28:28Air degradation unit S5E06 - Through the Looking Glass and What Walter Found There Timestamp: 29:02
S3E06 - 6955 kHz
The radio found in the pocket universe in 'Through the Looking Glass and What Walter Found There' was stuck on 6955 kHz, the same frequency as the number station broadcasts in '6955 kHz'.
Radio stuck on 6955 kHz S5E06 - Through the Looking Glass and What Walter Found There Timestamp: 37:41
S5E04 - The Bullet that Saved the World
Cecil mentions the Observers using a light bomb in 'Through the Looking Glass and what Walter Found There', which is what Loyalists threw at Peter in the sewer tunnels in 'The Bullet that Saved the World'.
Light bomb S5E04 - The Bullet That Saved the World Timestamp: 03:57