Fringe › Season 2

S2 E14: The Bishop Revival

When all of the groom's relatives asphyxiate at a wedding, the Fringe division investigates and quickly ascertain that a human agency is responsible. Walter realizes that the formula for the toxin was based on research conducted by his father, Robert Bischoff, and that the killer isn't stopping with a single test of his lethal concoction.

Air date	Jan 28, 2010
Runtime	44 minutes
TMDB rating	★ 7.6/10