Scully and Mulder are the iconic duo from the television series "The X-Files,". FBI agents Dana Scully and Fox Mulder are partnered to investigate unusual and unsolved cases known as X-Files, which often involve paranormal phenomena, government conspiracies, and extraterrestrial life.

Mulder, a firm believer in the existence of aliens and the supernatural, is driven by a desire to uncover the truth, fueled by the mysterious disappearance of his sister. In contrast, Scully, a medical doctor and skeptic, is initially assigned to scientifically analyze Mulder's cases and provide a rational perspective.

The intro to "The X-Files," created by Chris Carter and first aired in 1993, features a haunting theme composed by Mark Snow, accompanied by stark visuals that evoke a sense of mystery and intrigue. The opening sequence introduces viewers to the show's central themes of paranormal phenomena, government conspiracy, and the quest for the truth, epitomized by the iconic tagline, "The truth is out there."