"The Tunnel Under the World" by Frederik Pohl is a science fiction short story published in 1955. Guy Burckhardt wakes each morning to the same nightmare and the same date: June 15. His town of Tylerton seems normal, yet something feels terribly wrong. Relentless advertising jingles fill the air, and strange inconsistencies emerge everywhere. When Burckhardt begins investigating, he uncovers a disturbing truth about his reality—one that challenges everything he believes about himself and the world around him. (This is an automatically generated summary.)