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| Episode Number | 21 |
|---|---|
| Season | 2 |
| Aired | 2006-05-10 |
| Overview | Mr. Eko has dreams about his brother leading him somewhere. He seeks Locke's help in finding a secret location, the "question mark." Meanwhile, Jack and the other survivors grapple with the horrific situation in the hatch. |
| Runtime | 47 minutes |
| Absolute Number | 0 |
| Finale Type |