E1 - Whap

Aired: April 09, 2009

Abby Mills returns to Harper's Island for the wedding celebration of her best friend, Henry Dunn, and his fiance, Trish Wellington. Abby hasn't been home in seven years, since her mother and five others were murdered by John Wakefield.

E2 - Crackle

Aired: April 16, 2009

The wedding party heads out on a scavenger hunt. While out, Trish meets up with an old flame, Henry talks to the locals, and Abby runs into a friend who has been haunted by John Wakefield.

E3 - Ka-Blam

Aired: April 23, 2009

When a local girl’s death is ruled a suicide, Abby challenges her father, the Sheriff, to investigate what really happened. As the wedding approaches, Trish must come to a decision about Hunter.

E4 - Bang

Aired: May 02, 2009

The groomsmen take Henry fishing for his bachelor party and make a gruesome discovery. The bridesmaids celebrate Trish's final days as a bachelorette with a psychic who has a very strong reaction to Abby.

E5 - Thwack

Aired: May 09, 2009

A father/daughter bike ride in the woods leads to a startling revelation. Abby uncovers the Sheriff's secret obsession as Trish and Henry's wedding rehearsal takes an unexpected turn.

E6 - Sploosh

Aired: May 23, 2009

E7 - Thrack, Splat, Sizzle

Aired: May 30, 2009

The wedding guests begin preparing to leave the island but the Sheriff suspects that one of them is the killer. Some new information reveals an eerie connection between Abby and Wakefield.

E8 - Gurgle

Aired: June 06, 2009

As the guests get ready to leave the island, one guest mysteriously disappears. Abby receives a phone call from someone threatening to kill the missing guest if anyone leaves the island.

E9 - Seep

Aired: June 13, 2009

The group turn against each other. However they find a map and are forced to come together to find Madison.

E10 - Snap

Aired: June 18, 2009

An attempt to leave the island after Katherine has been killed turns into a disaster that will keep the remaining members of the wedding trapped for now. Meanwhile they find out a secret that will leave them reeling, and four more victims are claimed.

E11 - Splash

Aired: June 27, 2009

Abby confronts the killer, but the guests start thinking he may have an accomplice. Another guest dies and another goes missing.

E12 - Gasp

Aired: July 04, 2009

Eight of the suspects battle for survival as the truth is revealed.

E13 - Sigh

Aired: July 11, 2009

The answers are finally unveiled in the season finale.