Daftar episode Lost
Episode > Musim 1 (2004–05)

Artikel utama: Lost (musim 1)
| No>  total | No>  musim | Judul | Sutradara | Penulis skenario | Karakter yang tampil | Tanggal tayang asli | Penonton AS (juta) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 1 | "Pilot (Part 1)" | J. J. Abrams | Cerita oleh : Jeffrey Lieber dan J. J. Abrams & Damon Lindelof  Skenario oleh : J. J. Abrams & Damon Lindelof | Jack | 22 September 2004 (2004-09-22) | 18.65 |
| 2 | 2 | "Pilot (Part 2)" | J. J. Abrams | Cerita oleh : Jeffrey Lieber dan J. J. Abrams & Damon Lindelof  Skenario oleh : J. J. Abrams & Damon Lindelof | Charlie & Kate | 29 September 2004 (2004-09-29) | 17.00 |
| 3 | 3 | "Tabula Rasa" | Jack Bender | Damon Lindelof | Kate | 6 Oktober 2004 (2004-10-06) | 16.54 |
| 4 | 4 | "Walkabout" | Jack Bender | David Fury | Locke | 13 Oktober 2004 (2004-10-13) | 18.16 |
| 5 | 5 | "White Rabbit" | Kevin Hooks | Christian Taylor | Jack | 20 Oktober 2004 (2004-10-20) | 16.82 |
| 6 | 6 | "House of the Rising Sun" | Michael Zinberg | Javier Grillo-Marxuach | Sun | 27 Oktober 2004 (2004-10-27) | 16.83 |
| 7 | 7 | "The Moth" | Jack Bender | Jennifer Johnson & Paul Dini | Charlie | 3 November 2004 (2004-11-03) | 18.73 |
| 8 | 8 | "Confidence Man" | Tucker Gates | Damon Lindelof | Sawyer | 10 November 2004 (2004-11-10) | 18.44 |
| 9 | 9 | "Solitary" | Greg Yaitanes | David Fury | Sayid | 17 November 2004 (2004-11-17) | 17.64 |
| 10 | 10 | "Raised by Another" | Marita Grabiak | Lynne E. Litt | Claire | 1 Desember 2004 (2004-12-01) | 17.15 |
| 11 | 11 | "All the Best Cowboys Have Daddy Issues" | Stephen Williams | Javier Grillo-Marxuach | Jack | 8 Desember 2004 (2004-12-08) | 18.88 |
| 12 | 12 | "Whatever the Case May Be" | Jack Bender | Damon Lindelof & Jennifer Johnson | Kate | 5 Januari 2005 (2005-01-05) | 21.59 |
| 13 | 13 | "Hearts and Minds" | Rod Holcomb | Carlton Cuse & Javier Grillo-Marxuach | Boone | 12 Januari 2005 (2005-01-12) | 20.81 |
| 14 | 14 | "Special" | Greg Yaitanes | David Fury | Michael & Walt | 19 Januari 2005 (2005-01-19) | 19.69 |
| 15 | 15 | "Homecoming" | Kevin Hooks | Damon Lindelof | Charlie | 9 Februari 2005 (2005-02-09) | 19.48 |
| 16 | 16 | "Outlaws" | Jack Bender | Drew Goddard | Sawyer | 16 Februari 2005 (2005-02-16) | 17.87 |
| 17 | 17 | "...In Translation" | Tucker Gates | Javier Grillo-Marxuach & Leonard Dick | Jin | 23 Februari 2005 (2005-02-23) | 19.49 |
| 18 | 18 | "Numbers" | Daniel Attias | Brent Fletcher & David Fury | Hurley | 2 Maret 2005 (2005-03-02) | 18.85 |
| 19 | 19 | "Deus Ex Machina" | Robert Mandel | Carlton Cuse & Damon Lindelof | Locke | 30 Maret 2005 (2005-03-30) | 17.75 |
| 20 | 20 | "Do No Harm" | Stephen Williams | Janet Tamaro | Jack | 6 April 2005 (2005-04-06) | 17.12 |
| 21 | 21 | "The Greater Good" | David Grossman | Leonard Dick | Sayid | 4 Mei 2005 (2005-05-04) | 17.20 |
| 22 | 22 | "Born to Run" | Tucker Gates | Cerita oleh : Javier Grillo-Marxuach  Skenario oleh : Edward Kitsis & Adam Horowitz | Kate | 11 Mei 2005 (2005-05-11) | 17.10 |
| 23 | 23 | "Exodus (Bagian 1)" | Jack Bender | Damon Lindelof & Carlton Cuse | beragam | 18 Mei 2005 (2005-05-18) | 18.62 |
| 2425 | 2425 | "Exodus (Bagian 2)" | Jack Bender | Damon Lindelof & Carlton Cuse | beragam | 25 Mei 2005 (2005-05-25) | 20.71 |