Oct 5, 2015 · 1h
In the aftermath of a near fatal car accident, four people returning from a funeral realize nothing will ever be the same when they look to the sky and see a mysterious alien ship hovering over their home city.
In 2015, everything changes.
The lives of five people are forever changed when a mysterious alien ship appears on the skyline over Bristol. Its intentions unclear, the disparate group attempt to flee the city and reach loved ones, but their efforts are impeded by a city in panic, looters, and the threat of military attack. As they battle to stick together, loyalties and relationships are tested, and an even larger question remains: who are these mysterious visitors and why are they here?
Browse every episode and jump into details.
Oct 5, 2015 · 1h
In the aftermath of a near fatal car accident, four people returning from a funeral realize nothing will ever be the same when they look to the sky and see a mysterious alien ship hovering over their home city.
Oct 6, 2015 · 1h
The group return home and, amid news-casts warning them to stay put, struggle to decide what they should do next. As they attempt to track down a missing family member, a horrible realization about her whereabouts comes to light.
Oct 7, 2015 · 1h
Steven heads into the city alone to try and track down his missing step-sister, but matters are complicated when it appears the people she is with may not be willing to let her go without a fight.
Oct 8, 2015 · 1h
Dan, Chloe and Nicole head to the local supermarket to try and get supplies, only to find it has been overrun with looters. The group must fight for their survival when a confrontation inside turns violent.
Oct 9, 2015 · 1h
Steven and Katie reach the local church in their efforts to find Sarah. As the priest inside encourages them to stay with the rest of his congregation, Steven battles with how best to protect his family.
Oct 12, 2015 · 1h
Nicole finds herself in the company of a mysterious stranger, and must decide who she can trust when he asks for her help in an unusual matter.
Oct 13, 2015 · 1h
Dan and Chloe take shelter in her parents home. As they try to cope in the aftermath of events at the supermarket, things turn deadly and it is clear they're not out of danger just yet.
Oct 14, 2015 · 1h
Nicole and Sanders have to work together when their mysterious new visitors turn against them, and they are forced on the run.
Oct 15, 2015 · 1h
We meet the group before things all began and see how they came together, but did they receive forewarning of the impending attack?
Oct 16, 2015 · 1h
Still separated, the group all make a last ditch attempt to reach the farm-house, but are they truly safe?
Quick answers about this season's release timeline and episode lineup.
Horizon Season 1 premiered on October 5, 2015.
Horizon Season 1 has 10 episodes.
The season opens with Season 1 Episode 1, "Arrival". It aired on October 5, 2015.
Go to Season 1 Episode 1