Rainbow Season 18 Episode 42 Chatterbox ( Air Date 1987-05-29 ) Genre Comedy, Kids category. Overview "Auntie Patsy comes to visit, but much to everyone's irritation, won't give them a minute's peace with her constant chattering. Rod, Jane and Freddy sing a song called "Bla Bla" in which Rod and Freddy chatter and annoy Jane.".