Corey, I'm assuming this was a urine stain? We have 5 pets, and one of them has gone on our couch in the past. What has always worked for us is Febreze- it eliminates odors. You just have to make sure you get to the source of the odor- meaning if it has penetrated past the microfiber cover and into the foam of the cushion, just spraying it on the outside won't get rid of it. You will have to remove the cover (if it's removable), spray the cover, and also spray the foam inside. Make sure you saturate it!! The Febreze has to get to the source of the odor. And then place it outside to dry. I assure you, if you spray Febreze on the source of the odor (hopefully being a kitten it didn't penetrate too far), it will work. Let us know! ... View related article.