Remote Island Syndrome Part 1

Key Events

 * Itsuki's distant relative, who is part of the 'Organization' invites them to his villa in a remote island.
 * They get stuck in a storm when the owner of the villa is murdered.

Summary
A "distant relative" of Itsuki's allows the SOS Brigade, along with Kyon's sister, to stay at his newly built island villa. On their first day there, they enjoy the island's facilities, but are drawn inside by the arrival of a storm. While waiting for the storm to pass, Haruhi and her friends play games indoors and have fun together. Later, the owner of the villa disappears, and everyone starts searching for him. Ultimately, the SOS Brigade members find him dead in his room.

Characters

 * Haruhi Suzumiya
 * Kyon
 * Mikuru Asahina
 * Yuki Nagato
 * Itsuki Koizumi
 * Kyon's Sister
 * Keiichi Tamaru
 * Yutaka Tamaru
 * Arakawa
 * Sonou Mori

Differences from the light novel
"Remote Island Syndrome" is one of the few Haruhi Suzumiya story arcs in which the TV series significantly departs from the light novels. The premise of the story and the facts of the murder mystery remain unchanged, but how the mystery unravels is dramatically reworked to give Haruhi and Kyon more active roles, and numerous scenes were added.

Though both the original novelette and the TV episode begin in media res, they do so at drastically different points. The novelette begins with the discovery of the murder, roughly 2/3 of the way into the text, while this episode begins with the SOS Brigade on the boat headed to the island. Kyon's sister joins the trip to the island in the episode, though the scene in which Kyon finds her in his bag is unchanged.

The sequences in which the SOS Brigade drink wine and Kyon, Haruhi, and Mikuru get hangovers are omitted. In exchange, the Old Maid scene is considerably expanded (and Kyon rather than Koizumi is the loser), and scenes were added with the SOS Brigade lighting fireworks, exploring the island, playing "Truth or Dare?", and having a pillow fight.

Trivia

 * This episode was broadcast as episode 6 of Season 1, and episode 10 of Season 2.
 * Paranormal phenomena: the storm is probably created by Haruhi