The episode highlights the transition from the Mulder/Scully era to Agent Doggett's leadership. Scully gifts Doggett her Apollo 11 medallion, symbolizing their teamwork and his new responsibility over the X-Files.
With Dana Scully on maternity leave, John Doggett is assigned a temporary new partner, Leyla Harrison—a young FBI accountant who is an obsessive fan of Mulder and Scully's previous work. They investigate a series of deaths in upstate New York linked to a biologist, Herman Stites, who has mutated into a venom-spitting reptilian creature. Watch The X-Files 8x19
You can watch " Alone " on several major platforms (availability may vary by region): Stream the full episode on Hulu or Disney+ . The episode highlights the transition from the Mulder/Scully