TV show availability guide

Circle

After Aliens arrive, the story takes place in two time streams: 2017 and 2037. In twenty years, and by 2037, the world has been divided into a “Smart Earth” where artificial intelligence has created a utopian environment in which no diseases or crimes exist, and an “Ordinary Earth” where people still suffer from rampant plague and lawlessness.

2017 7.2/10 community score 1 season · 12 episodes Ended
  • Sci-Fi & Fantasy
  • Mystery

Viewing market

Country-level availability

Where to watch in United States

4 platforms currently listed across all viewing options

Data checked 20 Oct 2026, 11:17 UTC

Free with ads

4
  • Streaming providerThe Roku ChannelNo linked platform guide yetDetails unavailable
  • Streaming providerOnDemandKoreaNo linked platform guide yetDetails unavailable
  • Streaming providerAmasian TVNo linked platform guide yetDetails unavailable

Series schedule

Seasons and episode dates

A concise series timeline, including the latest aired episode and the next date currently listed.

View TV calendar
First aired
Seasons
1
Episodes
12
Status
Ended

Latest aired episode

S1 E12

The Finale

Aired 1h

Joon Hyeok suspects that Mayor Yoon has seen something that can be used against Dong Geon. Since Jeong Yeon can unlock his memories, they decide to take him out of Human B’s hands and unlock it. And since Min Young is a doctor, she sneaks in to the hospital to take him out.

Next listed episode

No upcoming episode date is currently listed.

Season guide

Most recent seasons first

1 season entry
  • Season 1

    12 episodes

    First episode aired

About these dates: Air dates describe the series schedule and may change. They do not confirm that an episode is available on the same date from the providers listed above.

Reader conversation

Community discussion

Share viewing experiences, useful context or corrections. Comments are hosted by Disqus and load only after you choose to open them.