In the beginning of the episode, Mark comes in and tells the audience about the show and Mark snaps his fingers and makes everyone disappear and reappear. It all starts out in the Teacher's Lounge. Mark will teach a History class that the students are not interested in. Mark makes a bet with another teacher to see whose class is the smartest. Robin will hold the test. To encourage the students about History, Mark uses a great technique so that they can learn history. Meanwhile at home, Vanessa starts dresssing and treating Tyler's dog as a girl. During class, Andre is the only person that knows the answers and the rest of the class is not interested. Mark finds out that also Earvin is a very good student and knows everything about History and even outsmarted Issac. But, Earvin says that he won't be in the contest because he does not want everyone to know that he is smart. Mark tries to convince him that he would have a great future, but it does not work. At home, Tyler's dog chew (thetvdb.com)