"The Other 48 Days"
Since Nathan is "gone", Ana Lucia thinks it's time for the tailies to move on.
"Hearts and Minds"
Kate discovers Sun speaks English.
Locke gives Boone a hallucinogenic experience which releases Boone from his emotional dependence on Shannon.
Arzt gives Nikki a map of where her luggage might have landed. She and Paulo find the drug smugglers' plane and the Pearl hatch but do not explore either.