LAST EDITED ON 01-02-05 AT 05:12 PM (EST)Yes, the next episode will indeed be episode #12.
Here is a rundown of the episodes we've seen thus far:
1: Pilot pt. 1
2: Pilot pt. 2
3: Tabula Rasa (Kate)
4: Walkabout (Locke)
5: White Rabbit (Jack)
6: House of the Rising Sun (Sun)
7: The Moth (Charlie)
8: Confidence Men (Sawyer)
9: Solitary (Sayid)
10: Raised by Another (Claire)
11: All the Best Coyboys Have Daddy Issues (Jack #2)
Sorry for the confusion!
- some places will list Tabula Rasa as episode one (not counting the pilot)...I think it's easier to keep track of them this way and most of the Lost sites I've seen do as well.