Season
- Season 1 2016-07-20
- Season 0 2016-08-16
Episode
- Episode 1: Oh Sung-moo Has Disappeared!
- Episode 2: Find Her, the Key to My Life
- Episode 3: I Am Someone Who Will Do That
- Episode 4: What Is This World Where You Live In?
- Episode 5: I've Come Here. To Your World.
- Episode 6: The End
- Episode 7: Chul and Yeon-joo Get Married
- Episode 8: The Killer Is After You
- Episode 9: Make It a Happy Ending
- Episode 10: The World Controlled by the Killer
- Episode 11: What Happens Next?
- Episode 12: Chul's Second Awakening
- Episode 13: For the Last Episode of W
- Episode 14: Secret of the Tablet
- Episode 15: Which Kind of Ending Will It Be?
- Episode 16: After W Ends
W: Two Worlds Apart
After being pulled into the webtoon world created by her father, a surgical resident gets entangled in a murder mystery involving the story's hero.
