Fringe, The Equation

In the series premiere, FBI Special Agent Olivia Dunham (Anna Torv) investigates a fatal international flight, recruiting Dr Walter Bishop (John Noble) and his son (Joshua Jackson) to help.

The unlikely trio's strange partnership begins as they investigate the mysterious death of a woman -- who conceives, carries to full term and then births a baby in the span of hours -- and her baby, who ages 80 years in a matter of minutes.

After a horrific bus incident, Olivia, Peter and Bishop uncover a man who has visions of Pattern-related disturbances before they happen.

After a deadly explosion in New York, our unlikely threesome investigate a strange cylinder found at the scene that's completely unharmed by the surrounding devastation.

When it's discovered that a rather simple man can harness electricity, dangerous and deadly occurrences follow, and our unlikely trio investigates this super-charged oddity.

When a woman with a rare disease inexplicably causes excruciating pain and subsequent death to those she encounters, the circumstances point to illegal drug trials ... or worse.

When a strange parasite attaches itself to the internal organs of a dying agent, Agent Dunham rushes to Germany to meet with a prisoner who reveals details of a much larger threat.

When a musical prodigy is kidnapped, it's discovered that a sequence of flashing lights appeared at the abduction -- which Walter links back to his bunkmate at St. Claire's Hospital.

While investigating a mystifying incident at Massive Dynamic, Olivia seeks to rid her consciousness of Agent Scott and Peter's past catches up with him.

While investigating a series of extraordinary bank robberies that defy the laws of physics, Walter realises that the high-tech thieves are after something of his.

After shifty FBI Agent Loeb orchestrated Mr Jones's otherworldly escape from a German prison and Olivia's alarming abduction, indications of a larger threat begin to emerge.

A computer scientist-turned-serial killer has discovered an unconventional method of killing people -- by liquefying their brains.

When another mysterious virus emerges aboard an international flight, leaving freakish remains, Peter and Olivia are forced to investigate the latest bizarre threat undercover.

German agents question Olivia when Mr Jones returns and a lethal toxin is released that causes victims to die when their facial orifices seal over.

The FBI's Fringe Division investigates a mysterious, mute boy with an unspoken connection to Agent Olivia Dunham. Meanwhile, a gruesome serial killer resurfaces.

Unleashed by animal activists, a scientifically engineered beast with a ferocious appetite attacks Charlie. Walter must now come face-to-face with both his past and the creature.

The Pattern is given a thrilling twist when Agent Dunham can't stop dreaming of violent occurrences that actually happen simultaneously in the real world.

When severely mutilated bodies drained of spinal fluid begin to pile up, the Fringe Division investigates a scientist with possible ties to the Z.F.T. terrorist cell. When more kills turn up, Olivia, Peter and Walter go to desperate lengths to stop them.

While investigating a disturbing case of a woman who apparently spontaneously combusted, Olivia is plagued with waking dreams, seeing elaborate visions of things not really there.

Mysterious events surround our trio when a sudden and unexpected attack on someone with close ties to Fringe Division occurs. Bioterrorist David Robert Jones returns, and inexplicably, Walter has disappeared.

A resurrected girl with unexpected ties to a missing soldier requires some fringe intervention in a special unearthed episode from the first season.