Babar Season 4 Episode 9 Kings of the Castle ( Air Date 1991-03-04 ) Genre Animation, Family category. Overview "As part of a school project to promote understanding and co-operation, the children convince Babar and Rataxes to change places for the day. Forced to deal with the other's problems, Babar and Rataxes learn it isn't easy to walk a mile in somebody else's shoes.".