Top-ratedS1.E1 ∙ Episode #1.1Tue, Feb 16, 2021Aboard a falling plane as the clock ticks toward doom, Han Tae Sul puts his famous mind to work for a solution. Kang Seo Hae arrives in the year 2020.7.3/10 (334)Rate
Top-ratedS1.E2 ∙ Episode #1.2Wed, Feb 17, 2021The contents of a mysterious suitcase give Tae Sul more questions than answers. In exchange for lottery numbers, Sun agrees to help Seo Hae.7.3/10 (300)Rate
S1.E3 ∙ Episode #1.3Tue, Feb 23, 2021Tae Sul's presentation at a conference gets a violent interruption. He and Seo Hae make a narrow escape, but more trouble soon follows.7.1/10 (283)Rate
Top-ratedS1.E4 ∙ Episode #1.4Wed, Feb 24, 2021On 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.7.2/10 (272)Rate
Top-ratedS1.E5 ∙ Episode #1.5Tue, Mar 2, 2021Caught 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.7.2/10 (232)Rate
Top-ratedS1.E6 ∙ Episode #1.6Wed, Mar 3, 2021Seo Hae infiltrates Eddy Kim's party with a mission. After a series of distressing events, Tae Sul realizes he cannot trust everyone around him.7.6/10 (233)Rate
Top-ratedS1.E7 ∙ Episode #1.7Tue, Mar 9, 2021Seo 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.7.6/10 (198)Rate
Top-ratedS1.E8 ∙ Episode #1.8Wed, Mar 10, 2021Despite Seo Hae's insistence that he lie low, Tae Sul focuses on tracking down an enigmatic figure who seems to be tied to everything.7.4/10 (194)Rate
Top-ratedS1.E9 ∙ Episode #1.9Tue, Mar 16, 2021At the amusement park with Tae Sul for her birthday, Seo Hae encounters someone unexpected. A familiar threat strikes again.7.3/10 (156)Rate
Top-ratedS1.E10 ∙ Episode #1.10Wed, Mar 17, 2021Tae 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.7.3/10 (152)Rate
S1.E11 ∙ Episode #1.11Tue, Mar 23, 2021Tae Sul and Sigma come face-to-face. In order to rescue Seo Hae, Tae Sul must endure an emotional trip through his past.6.9/10 (138)Rate
S1.E12 ∙ Episode #1.12Wed, Mar 24, 2021When Seo Hae wakes up, a person she missed is waiting to meet her. A long-forgotten childhood memory returns to Tae Sul.7.0/10 (132)Rate
S1.E13 ∙ Episode #1.13Tue, Mar 30, 2021Tae Sul is reunited with a trusty friend, who comes to him with a warning. A suitcase containing disturbing contents arrives at Asia Mart.7.1/10 (132)Rate
S1.E14 ∙ Episode #1.14Wed, Mar 31, 2021With 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.7.0/10 (126)Rate
Top-ratedS1.E15 ∙ Episode #1.15Tue, Apr 6, 2021As Tae Sul tries to locate him, Sigma reveals more details about himself. Sun frees Seo Hae from the bunker.7.3/10 (125)Rate
S1.E16 ∙ Episode #1.16Wed, Apr 7, 2021Tae 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.7.2/10 (151)Rate