Sisyphus - Season 1
1 - Episode 1
Air Date: February 17, 2021
Aboard a falling plane as the clock ticks toward doom, Han Tae-sul puts his famous mind to work for a solution. Gang Seo-hae arrives in the year 2020.
2 - Episode 2
Air Date: February 18, 2021
The contents of a mysterious suitcase give Tae-sul more questions than answers. In exchange for lottery numbers, Sun agrees to help Seo-hae.
3 - Episode 3
Air Date: February 24, 2021
Tae-sul's presentation at a conference gets a violent interruption. He and Seo-hae make a narrow escape, but more trouble soon follows.
4 - Episode 4
Air Date: February 25, 2021
On the run from the enforcement agency, Tae-sul and Seo-hae give in to the time traveler's request that they make a stop at his mother's house.
5 - Episode 5
Air Date: March 3, 2021
Caught by Kim Seo-jin trespassing in her clinic, Tae-sul tries to explain what's going on. Seo-hae reveals disturbing details about the future.
6 - Episode 6
Air Date: March 4, 2021
Seo-hae infiltrates Eddy Kim's party with a mission. After a series of distressing events, Tae-sul realizes he cannot trust everyone around him.
7 - Episode 7
Air Date: March 10, 2021
Seo-hae urges Sun to flee the country, and asks Mr. Park to do her a favor in exchange for an item he's eager to get his hands on.
8 - Episode 8
Air Date: March 11, 2021
Despite Seo-hae's insistence that he lie low, Tae-sul focuses on tracking down an enigmatic figure who seems to be tied to everything.
9 - Episode 9
Air Date: March 17, 2021
At the amusement park with Tae-sul for her birthday, Seo-hae encounters someone unexpected. A familiar threat strikes again.
10 - Episode 10
Air Date: March 18, 2021
Tae-sul enters enemy quarters to retrieve Seo-hae. Learning she's been put in a dire condition, he turns to a grudging Mr. Park for assistance.
11 - Episode 11
Air Date: March 24, 2021
Tae-sul and Sigma come face-to-face. In order to rescue Seo-hae, Tae-sul must endure an emotional trip through his past.
12 - Episode 12
Air Date: March 25, 2021
When Seo-hae wakes up, a person she missed is waiting to meet her. A long-forgotten childhood memory returns to Tae-sul.
13 - Episode 13
Air Date: March 31, 2021
Tae-sul is reunited with a trusty friend, who comes to him with a warning. A suitcase containing disturbing contents arrives at Asia Mart.
14 - Episode 14
Air Date: April 1, 2021
With the war looming on the horizon, everyone must make their choices. When Seo-hae heads to the only place she knows, Tae-sul finds her.
15 - Episode 15
Air Date: April 7, 2021
As Tae-sul tries to locate him, Sigma reveals more details about himself. Sun frees Seo-hae from the bunker.
16 - Episode 16
Air Date: April 8, 2021
Tae-sul asks Seo-hae to trust him no matter what happens — and demonstrates that nothing is fixed when it comes to matters of the future.