Martha Speaks Episode 17 Martha Doesn't Speak Monkey! / Martha and Truman Get Lost >Truman needs Martha to help him find something he lost at Dog Head Lake. The only problem is he won't tell Martha what they're looking for because he's too embarrassed (it's a rock). After getting lost deep in the forest and coming face–to–face with his fears, Truman learns a valuable lesson about himself and his ... whatsit.