THE ARROW HATCH
Everybody Hates Hugo - The tailies take Michael, Sawyer and Jin to a hatch they had found on their side of the island. It apparently had been abandoned. They same Dharma symbol is shown but with an arrow symbol in the center in place of the swan as seen in the first hatch.

Who Knows

Episode

Told By

Transcript Evidence

The Tailies

Everybody Hates Hugo

Found by Tailies

Michael, Jin, Sawyer

Everybody Hates Hugo

Taken to the Arrow Hatch

Locke

What Kate Did

Eko