“The X-Files,” a trailblazing sci-fi series that left an indelible mark on television, turned FBI agents Fox Mulder and Dana Scully into iconic characters whose mix of skepticism and belief made their quest for the truth about extraterrestrial life resonate with millions of fans. Here are the 10 best Mulder-centric episodes of “The X-Files,” ranked:

1. Pilot – Season 1, Episode 1

Nothing can beat where it all began – with Mulder introducing Scully to the X-Files. His belief in extraterrestrial activity being at play in abductions set up the complex character who would tirelessly seek out truths deemed impossible by others.

These episodes map out an incredible journey that define Fox Mulder as one of television’s most compelling characters; his passion for truth entwined with personal vulnerabilities makes each story deeply engaging.”

2. Bad Blood – Season 5, Episode 12

A fan-favorite for its comedy and Rashomon-style storytelling; we see vastly different interpretations from both Scully and Mulder regarding their investigation in Texas involving vampires.

3. Small Potatoes – Season 4, Episode 20

This episode sees Mulder confronted with an identity-switching antagonist who impersonates him to woo Scully. It cleverly uses humor and duplicity to explore the different sides of Mulder’s character.

4. Grotesque – Season 3, Episode 14

In this episode, Mulder confronts madness as he delves deeply into the mind of a killer to solve a case. His obsession starts mirroring that of the perpetrator – providing a stark look at what his own dedication could lead to.

5. Clyde Bruckman’s Final Repose – Season 3, Episode 4

While the episode is largely centered around its namesake character, played by Peter Boyle, its exploration of fate and destiny offers profound insights into Mulder’s psyche as he ponders over questions beyond his usual purview.

6. The Unnatural – Season 6, Episode 19

Though not heavily featuring Mulder throughout, it delves deeply into his love for baseball and belief in aliens – two defining aspects of his character. It’s filled with warmth and nostalgia that poignantly reflects his childlike wonder.

7. Mulder and Scully Meet the Were-Monster – Season 10, Episode 3**

A more recent gem from the revival seasons, this episode presents Mulder grappling with his belief system following years of chasing monsters. It’s a humorous take on the show’s lore with heartwarming introspection from Mulder.

8. Triangle – Season 6, Episode 3

A time travel whirlwind, this episode puts Mulder in the middle of a World War II-era ship where past and present collide. The unique storytelling and split-screen techniques highlight Mulder’s adventurous side magnificently.

9. Drive – Season 6, Episode 2

Mulder takes center stage in a race against time, forced to drive westward at high speeds to prevent his passenger’s head from exploding due to an unusual affliction. Bryan Cranston’s guest performance enhances this taut thriller.

10. Paper Hearts – Season 4, Episode 10

This haunting episode showcases Mulder’s vulnerability as he confronts a past case involving a child murderer, leading him to question whether there’s a connection to his sister’s disappearance. The emotional turmoil Mulder experiences makes it a standout.