Watch anime online, stream anime episodes online for free.Watch Great Teacher Onizuka Episode 23 English version online and free episodes. Anime Episode guide, Chapter Great Teacher Onizuka Episode 23 English dubbed Superstition Onizuka receives a total of 233 cursed chain letters, but he isn’t the only one. The school gets flooded with cursed chain letters, but Onizuka decides to burn all of his. Now bad things start happening to him, and he has himself believing he’s got a terminal illness. So he runs away to have a personal farewell party, leaving the everyone else worried sick.