Ep 18. White Tulip

In Fringe season 2 episode 18, titled "White Tulip," the team discovers a mysterious man, Alistair Peck, who is using time travel to alter past events in order to change his own tragic fate. Peck is continually chasing after a white tulip, which serves as a signal for his next time jump. As the Fringe team races to stop Peck before he permanently alters the timeline, Walter realizes the connection between Peck's past and his own tragic loss. In the midst of their investigation, Peter and Olivia find themselves questioning their own personal choices and the consequences they have had on their lives. The episode ends with a poignant and unexpected resolution to Peck's story, leaving the audience with a sense of wonder and hope. "White Tulip" is an emotionally charged and thought-provoking episode that delves into the intricacies of fate, choice, and the power of self-forgiveness.