Here is a list of all the changes to Korean programs in time for the Olympics.
Dramas
각시탈 (Bridal Mask): Will not be airing on July 26 as well as August 2.
넝쿨째 굴러온 당신 (Unexpected You): Will not be conflicting with Olympic schedules and will run as scheduled throughout the Olympics period.
골든타임 (Golden Time): Will be running on schedule, but will be canceled from August 6 until further notice.
닥터 진 (Dr. Jin): Will continue to air.
신사의 품격 (A Gentleman’s Dignity): Will air at the earlier time of 9:30 pm on July 28 but will postpone its last episode until further notice.
유령 (Ghost): Will be canceled until August 8 and 9, when the finale will take place
Variety Shows
Happy Together, Hello, Win Win + KBS 11pm Variety Shows: Beginning from August 26, will be canceled until further notice.
Gag Concert, Happy Sunday, and Immortal Song: Will air as scheduled.
Infinity Challenge: Will air on July 28 but at the earlier time of 4pm.
We Got Married, I’m a Singer 2, and Infinite Girls: Will be canceled.
Star King, Running Man, and Rules of the Jungle 2: Will be canceled on July 28 and 29.
Source: enews world