| # | Episode Name | Description | Quotes | Tag Line | Credits | Air Date | Rating |
| 1 | "Herrenvolk" | The Fourth Season Première | EVERYTHING DIES | W: Chris Carter D: R. W. Goodwin |
1996-10-04 (Fri.) | TT | |
| 2 | "Home" | The Inbreeding Episode | "We all have a natural instinct
to propagate." "Do we?" |
THE TRUTH IS OUT THERE | W: Glen Morgan, James Wong D: Kim Manners |
1996-10-11 (Fri.) | TTT |
| 3 | "Teliko" | The Episode with the Black People | DECEIVE INVEIGLE OBFUSCATE | W: Howard Gordon D: Jim Charleston |
1996-10-18 (Fri.) | TT | |
| 4 | "Unruhe" | The Photographs Episode | THE TRUTH IS OUT THERE | W: Vince Gilligan D: Rob Bowman |
1996-10-27 (Sun.) | TT | |
| 5 | "The Field Where I Died" | The Cult Episode | " | W: Glen Morgan, James Wong D: Rob Bowman |
1996-11-03 (Sun.) | TTT | |
| 6 | "Sanguinarium" | The Plastic Surgery Episode | " | W: Valerie Mayhew, Vivian Mayhew D: Kim Manners |
1996-11-10 (Sun.) | TT | |
| 7 | "Musings Of A Cigarette Smoking Man" | The Episode with Cancer Man | " | W: Glen Morgan D: James Wong |
1996-11-17 (Sun.) | TT | |
| 8 | "Tunguska" | The First Episode in Russia | " | W: Chris Carter, Frank Spotnitz D: Kim Manners |
1996-11-24 (Sun.) | TTT | |
| 9 | "Terma" | The Second Episode in Russia | E PUR SI MUOVE | W: Chris Carter, Frank Spotnitz D: Rob Bowman |
1996-10-01 (Sun.) | TTT | |
| 10 | "Paper Hearts" | The Cloth Hearts Episode | THE TRUTH IS OUT THERE | W: Vince Gilligan D: Rob Bowman |
1996-10-15 (Sun.) | TT | |
| 11 | "El Mundo Gira" | The Fungus Episode | "Two men. One woman. Trouble." | " | W: John Shiban D: Tucker Gates |
1997-01-12 (Sun.) | TT |
| 12 | "Leonard Betts" | The Cancer Episode | "I'm sorry, but you've got something I need." | " | W: Vince Gilligan, John Shiban, Frank Spotnitz D: Kim Manners |
1997-01-26 (Sun.) | TTTT |
| 13 | "Never Again" | The Tattoo Episode | "Why don't I have a desk?" | " | W: Glen Morgan, James Wong D: Rob Bowman |
1997-02-02 (Sun.) | TTT |
| 14 | "Memento Mori" | The Episode where Scully Gets Cancer | " | W: Chris Carter, Vince Gilligan, John Shiban, Frank Spotnitz D: Rob Bowman |
1997-02-09 (Sun.) | TTT | |
| 15 | "Kaddish" | The Episode with the Jewish People | " | W: Howard Gordon D: Kim Manners |
1997-02-16 (Sun.) | TTT | |
| 16 | "Unrequited" | The Invisibility Episode | " | Story: Howard Gordon Script: Chris Carter, Howard Gordon D: Michael Lange |
1997-02-23 (Sun.) | TT | |
| 17 | "Tempus Fugit" | The First Episode with the Plane | " | W: Chris Carter, Frank Spotnitz D: Rob Bowman |
1997-03-16 (Sun.) | TTT | |
| 18 | "Max" | The Second Episode with the Plane | " | W: Chris Carter, Frank Spotnitz D: Kim Manners |
1997-03-23 (Sun.) | TTT | |
| 19 | "Synchrony" | The Time-Travel Episode | " | W: Howard Gordon, David Greenwalt D: Jim Charleston |
1997-04-13 (Sun.) | TTTT | |
| 20 | "Small Potatoes" | The Shape-Shifter Episode | " | W: Vince Gilligan D: Cliff Bole |
1997-04-20 (Sun.) | TTT | |
| 21 | "Zero Sum" | The Other Episode with Skinner | " | W: Howard Gordon, Frank Spotnitz D: Kim Manners |
1997-04-27 (Sun.) | TT | |
| 22 | "Elegy" | The Dead People Episode | " | W: John Shiban D: Jim Charleston |
1997-05-04 (Sun.) | TTTTT | |
| 23 |
"Demons" |
The Episode with Mulder's Dreams | " | W: R. W. Goodwin D: Kim Manners |
1997-05-11 (Sun.) | TTTT | |
| 24 | "Gethsemane" | The Fourth Season Finale | BELIEVE THE LIE | W: Chris Carter D: R. W. Goodwin |
1997-05-18 (Sun.) | TTTTT |