I don't think there's an observer in every episode of Fringe, but I never really looked hard.
Robert Kruger
2018-08-19 03:40:42 +0000 UTC
Drinking game: Every time Walt fucks up Astrids name, take a shot...of soda of course-we don't want you to suffer alcohol poisoning. I think there is a spoilery compilation video on youtube of all the different names he calls her.