Tv around babies!

At what age did you start to monitor what you watch on tv around your child? My son is about to be 14 months and he's starting to talk more. I don't want him to pick up any cuss words or inappropriate words. Is it silly to think that he could? I usually have baby songs from netflix going for background noise during the day but when my husband gets home from work he wants to watch his shows. So I have been thinking about it. Thanks!