With the fourth season of Lost underway, even obsessed viewers might start finding themselves struggling to keep all their encyclopedic knowledge straight in their heads.

The story behind the mysterious island that the Oceanic Flight 815 survivors now call home has been developing slowly and revealing itself in layers–excruciating layers–since the series premiered.

After a little over three years, it’s hard to keep the various tidbits of truth (if there is such a thing) and the facets of the island that have been explained fresh in your mind when watching the show.

Thankfully, Weburbanist (a blog dedicated to all things urban) has published a post that will become an excellent resource for fans who empathize with the difficulties of remembering details from one, two or three years ago.

The post discusses the various Dharma Initiative stations that have been explored one-by-one throughout the existing seasons of the show. Now you can differentiate between the Pearl station, where the survivors discovered an experiment within an experiment, and the Swan station, which provided the survivors with food and hygiene products.

The post even contains visuals to jog your memory, and a map of the Dharma Initiative locations (that have been discovered thus far) for accurate visualizing of the island.

For those who have an interest in Lost but haven’t yet caught up with the rest of us, Weburbanist’s writers do an above average job steering clear of spoilers or lessening the blow when it becomes unavoidable in discussion. So feel free to use this post as an “orientation,” as the writers say in their opening.

To read the Dharma Initiative station documentation in full, head here.

Image: How Stuff Works

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