Hmmm... let's go in order.
Season One: There are two the 2nd kiss on the pilot where Jeannie's lauphing and major Nelson pulls her up and than she wraps her arms around him...at first he fights it...but then he gives in to her. And in "Dijjn and water" where Jeannie wasnts a kiss goodbye and than major Nelson says no remember our bargain...blah....blah....blah and than Jeannie says "How about a friendly kiss goodbye" and major Nelson agrees because he thinks it will be quick and a little peck on the lips. But no Jeannie pulls him in for a hot one! LOL =]
Season Two: Hmmm... not alot of lip locking so idk
Season Three: Oooh...that's tuff......you pick.
Season Four: Have not seen it. =[
Season Five: Have not seen it. But probably the wedding.