Fringe

Season 3, Episode 12

Episode Title: Concentrate and Ask Again

Air Date: 2011-02-04

Overview:

When a scientist falls dead after ingesting a lethal cloud of blue powder and his bones disintegrate in his body, the CDC suspects a biological attack. As the Fringe Team investigates further, a subject from Walter's past with ties to Olivia reluctantly agrees to assist with the intense case.