Previous Next "Sodachi Riddle, Part 2" (そだちリドル 其の弐, Sodachi Ridoru Sono Ni) is the third episode of the Owarimonogatari anime series. It was broadcast on October 17, 2015. Koyomi Araragi steps into a run-down mansion and, together with Ougi Oshino, retraces the steps to his five-years-prior self, starting from the mysterious Monty Hall problem.