Castigados en la Prehistoria (Castigados en la Historia)

Year 2222. The students of Lunar School XXIII face a serious problem. They're about to be tested, and their robot teacher has taught them history backward! The substitute teacher, Professor Goodventure, has to remedy this chaos in record time. Her method is foolproof: travel back in time to experience it firsthand. Of course, when the students are a bit chaotic and unpredictable, many unexpected things can happen…