Question: what episode does season 4 of yugioh gx start
Answer: Title Original air date English air date 157 `` A Creeping Threat ! The Mysterious Visitor '' `` Shinobiyoru Kyoui ! Nazo No Raihousha '' ( 忍び よる 脅威 ! 「 謎 の 来訪 者 」 ) October 17 , 2007 N / A A month has passed since the Yubel incident .