The television dramaLa Breais officially set to premiere on NBC next month, and Collider can exclusively reveal new posters for the series. The show follows the aftermath of what happens when a huge sinkhole strangely appears in the city of Los Angeles and literally tears a family of four in two, sending mother and son into a strange prehistoric world where they must figure out where they’ve ended up and — more importantly — how to get home.

La BreastarsNatalie Zea(Justified) as Claire Harris, in addition toEoin Macken(Merlin) as Gavin Harris,Zyra Goreckias Izzy Harris, andJack Martinas Josh Harris. The upcoming series also starsJon Seda(Chicago P.D.),Chiké Okonkwo(Being Mary Jane),Nicholas Gonzalez(The Flash),Karina Logue,Veronica St. Clair,Rohan Mirchandaney,Josh McKenzie,Lily Santiago, andChloe De Los Santos.

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WriterDavid Appelbaum, who also serves as creator of the show, executive produces withAvi Nir,Alon Shtruzman,Peter Traugott,Rachel Kaplan,Steven Lilien,Bryan Wynbrandt, andKen Woodruff. Universal Television, a division of Universal Studio Group, is the studio producing with Keshet Studios. The show’s pilot is directed byThor Freudenthal(Diary of a Wimpy Kid,Percy Jackson: Sea of Monsters).

La Breawill premiere September 28 on NBC. Check out the exclusive poster artwork, which showcases the striking differences between worlds above and below, as well as the synopsis and series teaser trailer:

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When a massive sinkhole mysteriously opens in Los Angeles, it tears a family in half, separating mother and son from father and daughter. When part of the family finds themselves in an unexplainable primeval world, alongside a disparate group of strangers, they must work to survive and uncover the mystery of where they are and if there is a way back home.

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