L. Scott Caldwell

4 of 24 episodes

S01E01

Pilot (1)

September 22, 2004

S01E02

Pilot (2)

September 29, 2004

S01E04

Walkabout

October 13, 2004

S01E12

Whatever the Case May Be

January 5, 2005

6 of 24 episodes

S02E04

Everybody Hates Hugo

October 12, 2005

S02E06

Abandoned

November 9, 2005

S02E08

Collision

November 23, 2005

S02E09

What Kate Did

November 30, 2005

S02E16

The Whole Truth

March 22, 2006

S02E19

S.O.S.

April 12, 2006

3 of 23 episodes

S03E21

Greatest Hits

May 16, 2007

S03E22

Through the Looking Glass (1)

May 23, 2007

S03E23

Through the Looking Glass (2)

May 23, 2007

4 of 13 episodes

S04E01

The Beginning of the End

January 31, 2008

S04E10

Something Nice Back Home

May 1, 2008

S04E12

There's No Place Like Home (1)

May 15, 2008

S04E13

There's No Place Like Home (2)

May 29, 2008

4 of 17 episodes

S05E01

Because You Left

January 21, 2009

S05E02

The Lie

January 21, 2009

S05E16

The Incident (1)

May 13, 2009

S05E17

The Incident (2)

May 13, 2009

4 of 17 episodes

S06E01

LA X (1)

February 2, 2010

S06E02

LA X (2)

February 2, 2010

S06E04

The Substitute

February 16, 2010

S06E17

The End

May 23, 2010