Enter 77

Enter 77 is the 11th episode of season 3 of Lost. Sayid Jarrah is in the episode's flashbacks.

ABC press release
Locke, Sayid and Kate investigate a strange structure and its mysterious inhabitant. Meanwhile, Sawyer competes in a ping-pong competition to get back his belongings.

Former spoilers and rumors

 * Various spoilers: The eypatch-wearing man seen in "The Cost of Living" on a TV monitor returns as Mikhail Bakunin.
 * TRUE
 * Carlton Cuse (Writer, producer): The connection between the Others and the DHARMA Initiative will be revealed in this episode.
 * TRUE
 * Aint' It Cool News (Spoiler source): A recurring character dies (revealed to be Ms. Klugh).
 * TRUE