The following is a complete episode list for the serial drama series Lost, which began airing on September 22, 2004. In addition to the twenty-four episodes in season one, a special clip show, Lost: The Journey, aired on April 27, 2005 to put the mysteries of the island and the characters in perspective in the lead-up to the season finale. The second and third seasons included six more clip shows to recap the series. The series ended its third season on May 23, 2007. ABC has announced that Lost would end after its sixth season, with seasons four through six each containing 16 hours of episodes, ending with a total of 117 episodes produced.^[1] Because of the 2007–2008 Writers Guild of America strike, only 14 hours of Lost will be produced for season four. On February 28, 2008, it was revealed in the official Lost audio podcast that the time cut from this season would be added to the next two seasons.^[2]

The series follows the lives of survivors of a plane crash, after a passenger jet, Oceanic Flight 815, flying from Sydney to Los Angeles crashes on a tropical island in the South Pacific, while they are antagonized by a group of dangerous inhabitants they call the "Others". Each episode typically features action on the island as well as flashbacks to another point in a character's life. The term "Featured character(s)" in this episode list indicates the character or characters that are featured in the secondary storyline of each episode in the series. "Series #" refers to the episode's number in the overall series, whereas "Season #" refers to the episode's number in each particular season.

As of May 29, 2008, the fourth season finale, 83 episodes of Lost have aired. The first three seasons are available on DVD in Regions 1, 2, 3 and 4.

[edit] List of seasons

[edit] Season 1: 2004–2005

Main article: Lost (season 1)

Season one aired from September 22, 2004 to May 25, 2005. In addition to the twenty-four regular episodes in season one, a special, "Lost: The Journey", aired on April 27, 2005 to put the mysteries of the island and the characters in perspective in the lead-up to the season finale. In the UK, the two hour season finale Exodus: Part 2 was further split into two episodes, creating an "Exodus: Part 3", even though they both aired on the same night. The original airdates (U.S.) are listed here for each episode.

Season one begins when a plane crash strands the surviving passengers of Oceanic Flight 815 on a seemingly deserted tropical island, forcing the group of strangers to work together to stay alive. However, their survival is threatened by several mysteries, including the contents of a hatch buried in the ground, an unknown entity that roams the jungle, and the motives of the inhabitants known as the "Others". Season one covers a narrated time of 44 days.

[edit] Season 2: 2005–2006

Main article: Lost (season 2)

Season two aired from September 21, 2005 to May 24, 2006. In addition to the twenty-three regular episodes, three special episodes were aired which provided recaps and insights into the show's mysteries. There were several cast changes in season two. Ian Somerhalder, who played Boone, left the show, while Malcolm David Kelley, who played Walt, only appeared in four episodes. Michelle Rodriguez, Adewale Akinnuoye-Agbaje and Cynthia Watros joined the main cast as Ana Lucia, Mr. Eko, and Libby, respectively. In the UK and Australia, the two hour season finale was actually split into two episodes, creating "Live Together, Die Alone: Part 1" and "Live Together, Die Alone: Part 2", although they both aired on the same night, but in over two weeks in Australia. The original United States and Canadian airdates are listed here for each episode.

Season two introduced several new characters to the series, who include the plane's tail-section survivors and other island inhabitants. More island mythologies and insights into the survivors' pasts are divulged. The existence of the Dharma Initiative and its benefactor, the Hanso Foundation, is established. The truth about the "Others" begins to unfold. Season two takes place over 23 days.

[edit] Season 3: 2006–2007

Main article: Lost (season 3)

Season three began airing on October 4, 2006. There were twenty-two episodes aired in two blocks. The first block consisted of six episodes and aired for six consecutive weeks. After a twelve week break, the second block aired, and featured the remaining sixteen episodes. In addition to the twenty-two regular season episodes, two specials were aired. "Lost: A Tale of Survival" aired a week before the premiere, and "The Lost Survivor Guide" aired with episode seven, when the season returned from its twelve week break. The original United States and Canada airdates are listed here for each episode.

Harold Perrineau Jr., Maggie Grace, Michelle Rodriguez, and Cynthia Watros, who played Michael, Shannon, Ana Lucia, and Libby, respectively, left the show after the second season. Michael Emerson, as Benjamin Linus (aka "Henry Gale"), and Henry Ian Cusick, as Desmond, became regular cast members in season three. Elizabeth Mitchell joined the main cast as Juliet, as did Kiele Sanchez and Rodrigo Santoro as previously unseen crash survivors Nikki and Paulo respectively.

Season three continues the story 67 days after the crash. The season begins where the second season left off: three of the crash survivors are held in captivity by the mysterious Others. More backstory on the Others, as well as the Dharma Initiative, is revealed. The survivors face continuous threats from their enemies, and also from their friends. Season three takes place over 24 days.

[edit] Season 4: 2008

See also: Lost (season 4)

Season four began airing on January 31, 2008 and concluded on May 29, 2008. Production began in August 2007 and was prematurely stopped in November 2007 due to the writers strike. The original plan was to air all sixteen episodes in one consecutive block, uninterrupted by repeats.^[79] After the strike was resolved, it was decided that the remaining story for the season would be condensed into what co-creator Damon Lindelof called a "lean, mean five". This would include a three hour finale, after Lindelof and Carlton Cuse petitioned ABC. Due to the time lost to the strike there was a mini-hiatus after the eighth episode had aired. The series resumed with its post-strike episodes on April 24, 2008.

Adewale Akinnuoye-Agbaje, Dominic Monaghan, and Kiele Sanchez and Rodrigo Santoro, who played Mr. Eko, Charlie, and Nikki and Paulo, respectively, left the cast during the third season making way for Harold Perrineau to return to the main cast as Michael.^[80] Alongside Perrineau, three new actors joined the main cast. Jeremy Davies, Ken Leung, and Rebecca Mader play Daniel Faraday, Miles Straume, and Charlotte Lewis respectively.

Season 4 continues the story 91 days after the crash. The season focuses on the survivors splitting into two groups, after making contact with a freighter off-shore. Throughout the season, flashforwards show the lives of the "Oceanic Six", five original survivors and Aaron who make it off the island and have returned to their old lives. The season takes place over 17 days.

[edit] Season 5: 2009

See also: Lost (season 5)

Season five will begin airing on January 21, 2009^[94] and will feature seventeen episosdes.^[8] A clip show recapping the first four seasons will precede the premiere.^[95]

[edit] Mobisodes: Lost: Missing Pieces: 2007–2008

Main article: Lost: Missing Pieces

Thirteen original two to three minute clips, or mobisodes, have been produced for cell phones. Six days after they become available for cell phones, they can be streamed from ABC.com. "PC" stands for "production code number," which indicates in what order the mobisodes were produced.

[edit] Specials: 2005–2009

This section indexes official specials and recap episodes that were made specifically by the Lost team.

[edit] References

General

• Lost: The Complete First Season (2005-09-06) from Buena Vista Home Entertainment
• Lost: The Complete Second Season – The Extended Experience (2006-09-05) from Buena Vista Home Entertainment
• Lost: The Complete Third Season – The Unexplored Experience (2007-12-11) from Buena Vista Home Entertainment
• Lost Recaps at ABC.com
• Lost Episode Press Releases at ABC Medianet
• Lost: Missing Pieces at ABC.com

Specific