We have eagerly been waiting to discuss "Ability" for months because it’s that good, undoubtedly one of the best episodes of Fringe’s first season if not the best. There is just so much to unpack here, and so much of the show’s overarching mythology is brought to light here in this episode, including the Cortexiphan trials, the existence of parallel universes, and the inevitable war between the Blueverse and the Redverse.