John Shaw

Bex and the team hunt their most depraved serial killer yet, Tom Beecher, who seeks pleasure in other people's pain.

When a perfectly healthy woman is found dead from a disease she never had, the Fringe team investigate the origin of this inexplicably fatal condition before it claims more innocent victims.

Clark and Lana discover an abandoned baby in a cornfield and take him home to the Kent farm. However, once the baby ages from a newborn to a seven-year-old in a matter of days, the pair realise that he's ageing at a dangerous rate and frantically search for a cure before the disease kills him. Meanwhile, Genevieve offers Lionel an ultimatum: kill Lana or be sent back to prison.

When Jonathan begins to act strangely, Clark believes Jor-El is sending Jonathan messages through the key and is the cause for his father's withdrawal from the family. Clark goes down to the caves to confront his biological father, but Lionel catches him there and begins putting the pieces together — leading him straight to Dr Swann.

Anna and Diana confront each other in the depths of the mothership after 15 years of silence, and Erica has Tyler's blood analysed - and learns the Vs did something sinister to her while she was pregnant with him.

After a passenger plane crashes into the Potomac River, suspicions focus on the pilot; Professor Mercer and the team are asked to investigate the pilot's personal motivations and piece together clues in the hopes of revealing the truth.