Martha Speaks Season 4 Episode 4 Return of the Bookbots: The Case of the Missing Words Episode Title: Return of the Bookbots: The Case of the Missing Words Episode Description: Part 1:The Bookbots are back and faced with a new nemesis: The Announcer. Armed with the power to bring nouns from books to life, the Announcer is wreaking havoc on Wagstaff City. Can our heroes utilize their semantic savvy to stifle this rampaging rapscallion? Part 2:The Announcer is still at large and has put the city into grammatical peril. Fortunately, the Bookbots have discovered a secret weapon: adjectives. Equipped with this new linguistic leverage, our heroes may just be able to save their beloved city from their phonological foe.