Talk:The Colonization Application/@comment-4793317-20150304141951/@comment-184.89.159.25-20150307153040

It is interesting that Sheldon didn't have an allergy attack when he was surrounded by all of those cats in season 4. They probably didn't get a cat this time because Leonard doesn't want one running around the house, and there would likely need to be a cat present for the rest of the show.