Mask: Season 1 - 20 Episode s
1x1 - 3 Million Won Happiness
May 27, 2015
1x2 - Girl Who Walks in Memories
May 28, 2015
1x3 - Best Choice, Worst Choice
June 3, 2015
1x4 - Heaven Created by the Devil
June 4, 2015
1x5 - The Poor Rich
June 10, 2015
1x6 - Family, That Heartbreaking Memory
June 11, 2015
1x7 - A Chest You Can Cry On
June 17, 2015
1x8 - A Logical Delusion
June 18, 2015
1x9 - My Own Reflection
June 24, 2015
1x10 - Faces of the Mask
June 25, 2015
1x11 - Game of Lies
July 1, 2015
1x12 - Unhappy Happiness
July 2, 2015
1x13 - A Proposal and a Divorce
July 8, 2015
1x14 - A Spear and a Shield
July 9, 2015
1x15 - Target
July 15, 2015
1x16 - The Puppet's Heart
July 16, 2015
1x17 - Family
July 22, 2015
1x18 - Trap
July 23, 2015
1x19 - Vacancy
July 29, 2015
1x20 - Our House
July 30, 2015