Columns: No. in series | No. in season | Title | Directed by | Written by | Featured character(s) | Original air date | U.S. viewers (million)
104/105 | 1/2 | " LA X " | Jack Bender | Damon Lindelof & Carlton Cuse | Various | February2,2010 | 12.09 | 106 | 3 | " What Kate Does " | Paul Edwards | Edward Kitsis & Adam Horowitz | Kate | February9,2010 | 11.05 | 107 | 4 | " The Substitute " | Tucker Gates | Elizabeth Sarnoff & Melinda Hsu Taylor | Locke | February16,2010 | 9.82 | 108 | 5 | " Lighthouse " | Jack Bender | Carlton Cuse & Damon Lindelof | Jack | February23,2010 | 9.95 | 109 | 6 | " Sundown " | Bobby Roth | Paul Zbyszewski & Graham Roland | Sayid | March2,2010 | 9.29 | 110 | 7 | " Dr. Linus " | Mario Van Peebles | Edward Kitsis & Adam Horowitz | Ben | March9,2010 | 9.49 | 111 | 8 | " Recon " | Jack Bender | Elizabeth Sarnoff & Jim Galasso | Sawyer | March16,2010 | 8.87 | 112 | 9 | " Ab Aeterno " | Tucker Gates | Melinda Hsu Taylor & Greggory Nations | Richard | March23,2010 | 9.31 | 113 | 10 | " The Package " | Paul Edwards | Paul Zbyszewski & Graham Roland | Sun & Jin | March30,2010 | 10.13 | 114 | 11 | " Happily Ever After " | Jack Bender | Carlton Cuse & Damon Lindelof | Desmond | April6,2010 | 9.55 | 115 | 12 | " Everybody Loves Hugo " | Daniel Attias | Edward Kitsis & Adam Horowitz | Hurley | April13,2010 | 9.48 | 116 | 13 | " The Last Recruit " | Stephen Semel | Paul Zbyszewski & Graham Roland | Various | April20,2010 | 9.53 | 117 | 14 | " The Candidate " | Jack Bender | Elizabeth Sarnoff & Jim Galasso | Jack & Locke | May4,2010 | 9.59 | 118 | 15 | " Across the Sea " | Tucker Gates | Carlton Cuse & Damon Lindelof | Jacob & Man in Black | May11,2010 | 10.32 | 119 | 16 | " What They Died For " | Paul Edwards | Edward Kitsis, Adam Horowitz & Elizabeth Sarnoff | Various | May18,2010 | 10.47