Fringe Season 4 Episode 11 (02/03/12)
Astrid is shocked this week to receive a visit from her counterpart in the alternate universe.
Alt-Astrid crosses universes to seek her counterpart. When Astrid first sees her double, she squeals.
Alt-Astrid's father has passed away, and she didn't know where else to go.
Walter and Alt-Astrid get along famously.
Alt-Astrid wonders if her father would have loved her more if she were like Astrid, normal.
The case of the week concerned a fellow who may have found the secret of the Observers ability to see time.
The Observers find out that the man was using September's device, and that he didn't follow orders. Peter Bishop is back.