All reviews for Captain Underpants #4: Captain Underpants and the Perilous Plot of Professor Poopypants

  1. loved it


    17 September 2017

  2. liked it

    There is a man who has invented a goosey grow machine that makes things grow but the world cannot take him seriously because his name is Professor Poopypants. So he decides to take revenge on the world by making them have silly names

    6 March 2013

  3. i liked it

    21 February 2013

  4. liked it

    I liked the little robot things, the gerbils are funny

    4 September 2011

  5. funniest captain undrpants book

    5 March 2011