Ep 3. Alone in the World

In Fringe season 4 episode 3, titled Alone in the World, the Fringe team investigates a bizarre case involving a teenage girl named Tracy. Despite seemingly having no physical contact with anyone, she manages to cause a number of people around her to spontaneously combust.

The team soon realizes that Tracy has the ability to generate a powerful electrical charge, which she has no control over. This leads to her becoming isolated from society, as she is forced to live under constant surveillance in a government facility.

Meanwhile, Peter struggles to come to terms with his new reality after being trapped in the alternate universe for so long. He begins to experience strange visions of a woman he has never met before, and becomes convinced that they are connected to his missing memories.

As the episode progresses, the team races against time to find a cure for Tracy's condition before it's too late. Along the way, they uncover a shocking conspiracy involving a mysterious corporation known as Massive Dynamic, and must fight to prevent their nefarious plans from coming to fruition.

Overall, Alone in the World is a thrilling installment in the Fringe series that explores the dangers of unchecked human experimentation and the lengths we will go to help those who are different from us. With heart-pumping action scenes and mind-bending plot twists, fans of the show are sure to be left on the edge of their seats from start to finish.