Both universes begin sharing aligned disasters and it becomes apparent that David Jones is using the Cortexiphan talent from Olivia's youth to draw both universes into the same gravitational space. Fringe Divisions generate a shared investigation and come to a terrible decision - they need to end the alliance they have fostered and terminate the healing influence of the Wave Sink Device.
Fringe case file #420-42712
original airdate--April 27,2012 rating--3.1 million
songs "Fringe Main Title Theme" by JJ Abrams
Glyph code spells--ALIVE
Fringe Event: Synchronized universe earthquakes
Classified case connection: David Robert Jones/Cortexiphan subject activation
Observer Sighting--The Observer walks near Sally Clark on the shore of Sydney Harbor in New South Wales, one of Jones' planned seismic epicenters.