In a follow up to last season’s “Peter” flashback episode, the all-new “Six Months Later” episode revisits a poignant period of time for both the Bishops and Olivia.
original airdate-February 25,2011 rating-4.02 million
song--"Fringe Main Title Theme" by JJ Abrams
Glyph code spells-- SWITCH
Observer Sighting--The Observer is inside of Bishop Dynamic lab in Florida and stops and looks at Secretary Bishop as he enters and is greeted by one of the staff there.
Trivia--An early, generic, network press release indicated the title of the episode would be "Six Months Later". The official press release, three weeks prior to the original airing, announced the actual title - Subject 13.