The Twilight Zone - The Last Rites Of Jeff Myrtlebank

Everyone at Jeff Myrtlebank's funeral service is shocked when he pushes the coffin lid open and steps out, seemingly in perfect health. Old Doc Bolton mumbles some ridiculous explanation and the people there settle down a bit. Obviously his family is happy that he's back with them and his fiancée welcomes him as he is, with no questions asked. They do notice that he's a bit different. As time goes on however, rumors begin spread and the locals decide to take action