Both KBS 2TV’s “Walking on Thin Ice” and JTBC’s “A Hundred Memories” are on the rise! On October 4, “Walking on Thin Ice” soared to its highest viewership ratings yet for its fifth episode. The latest episode of the coming-of-age romance drama scored an average nationwide rating of 4.6 percent. MBC’s “To the Moon” wrapped up the first half of its run on a slight rise in viewership, scoring an average nationwide rating of 2.1 percent. Finally, KBS 2TV’s “Our Golden Days” remained the most-watched show of any kind to air on Saturday with an average nationwide rating of 13.3 percent.