You can claim pretty much anything BSG related. Pick a character, a pairing, an episode, a season, really whatever inspires you! - You just can't have the same claim as another user in the same round, which is why you need a second choice, just in case
Please try to only sign up if you're sure you want to participate and are not likely to change your mind. However, we understand things do come up, please let us know if you are unable to finish the round.