Fringe (2008)

S4E6 And Those We've Left Behind

The Fringe team is tasked with uncovering the connections among a series of devastating time loop anomalies. During their investigation, they encounter Raymond, an electrical engineer, and his wife Kate, a theoretical physics professor, who become crucial to understanding the mysterious events. As they delve deeper, the team seeks to unravel the complex web of time and fate that threatens to impact their world.